| 单词 | jet stream |
| 例句 | I held it above my head and squeezed the bottle until the water shot through the nozzle like a jet stream, splashing me in the face, some even getting in my nose. Ghost 2016-08-30T00:00:00Z I sliced into the water and willed the currents to bend around me, making a jet stream that shot me forward. The Sea of Monsters 2006-04-01T00:00:00Z Rosaleen walked across the back porch, leaned out the door, and spit a tiny jet stream across the hydrangeas. The Secret Life of Bees 2002-01-01T00:00:00Z But in early May, we hoped, the approach of the monsoon from the Bay of Bengal would force the jet stream north into Tibet. Into Thin Air 1996-08-01T00:00:00Z In the sky the jet streams crisscross from east to west and west to east like ICBMs. Hole in My Life 2002-03-26T00:00:00Z Thrust high into the jet stream, the mountain ripped a visible gash in the 120- knot hurricane, sending forth a plume of ice crystals that trailed to the east like a long silk scarf. Into Thin Air 1996-08-01T00:00:00Z For all of April, the jet stream had been trained on Everest like a fire hose, blasting the summit pyramid with hurricane- force winds. Into Thin Air 1996-08-01T00:00:00Z Of course, he flipped and came off- the rock like a jet stream. My Side of the Mountain 1959-01-01T00:00:00Z While she had ideas for making a quality return, Ms. Jepsen, 29, insisted on taking her time after rushing to deliver “Kiss” in about two months to catch the jet stream of “Call Me Maybe.” Carly Rae Jepsen, With a New Album, Is Definitely Changing Her Number 2015-07-31T04:00:00Z It's like a jet stream, blowing up and down in the most civilised places on earth. Rupert Everett: 'Sex is over. I'm not motivated by it any more' 2013-04-21T07:30:01Z The jet stream now sometimes meanders like that slow-moving river: Blame a warm Arctic for this year’s miserable winter 2014-02-27T13:15:00Z The jet stream was so strong, flight times from Dallas to Boston dipped below three hours. Jet stream helps flight reach 801 mph due to jet stream: reports 2019-02-19T05:00:00Z In another, a current of smoke wafts across the painting like a lazy jet stream, through a levitating circle seemingly made of shiny red ribbon, while the background pattern is green-on-green, a camouflagelike brocade. What to See in New York Art Galleries This Week 2017-05-25T04:00:00Z Turbulence is unstable air movement that is caused by changes in wind speed and direction, such as jet streams, thunderstorms, and cold or warm weather fronts. Fasten Your Seatbelts: What You Need to Know About Turbulence 2023-04-05T04:00:00Z That poleward temperature gradient causes air to start flowing from the North Pole southward, and a spinning Earth forces the air to move from west to east, creating the jet stream. Blame a warm Arctic for this year’s miserable winter 2014-02-27T13:15:00Z A jet stream moving north to south on the West Coast is pushing an opposite, seesaw effect in the rest of the nation. We should break a record today -- but watch out for the 'pneumonia front' 2012-03-14T12:27:00Z This is how the jet stream must speak—or how a cleft in the bedrock might introduce itself. The Final Prophecy of W. S. Merwin 2019-03-17T04:00:00Z “When that happens, we also expect to see that flow in the upper-level jet stream to become more wavy.” Blame a warm Arctic for this year’s miserable winter 2014-02-27T13:15:00Z Shapcott writes, with obvious enjoyment: "I can shoot down a jet stream / so intense my body rises / a full forty feet ..." Jo Shapcott takes Costa book of the year award for Of Mutability 2011-01-25T20:30:16Z Considered to be the first toilet system to function under the water line, it wasn't without its problems: If the actions were performed improperly, a jet stream of seawater could propel users off the seat. 11 historically significant toilets 2022-07-09T04:00:00Z According to Weather.com, the jet stream saw winds greater than 200 mph. this weekend. British Airways may have set record for fastest subsonic flight from New York to London 2020-02-09T05:00:00Z They all blur into a single jet stream of semisnappy dialogue before changing course a few times and evaporating. Theater Review: ‘Dead Accounts’ With Katie Holmes at Music Box Theater 2012-11-30T03:00:15Z Storm Ciaran was driven by a powerful jet stream that swept in from the Atlantic, unleashing heavy rain and furious winds that have caused heavy flooding in several countries in western Europe. Worker dies while repairing damage from Storm Ciaran in northwest France 2023-11-05T04:00:00Z Ciaran was driven by a powerful jet stream that swept in from the Atlantic, unleashing heavy rain and furious winds that caused heavy flooding in Northern Ireland, parts of Britain, Belgium, the Netherlands and France. Death toll hits seven in Italy's flood-hit Tuscany, ANSA reports 2023-11-04T04:00:00Z The blusterous weather is the result of a branch of the jet stream — a consistent band of strong wind high above the Earth’s surface heading west to east —heading towards northern Europe, he explained. Approaching Storm Ciarán may bring highest winds in France and England for decades, forecasters warn 2023-11-01T04:00:00Z The three of them stand in the human jet stream of Rockefeller Center, and people stop to take pictures or pet the animals. Among New York’s sidewalk sideshows, 2 goats and a story of despair 2023-10-29T04:00:00Z Some research suggests that winter jet streams are growing more wavy — meandering up and down as they flow around the Earth. Arctic Cyclones Are Getting Stronger, More Damaging 2023-10-23T04:00:00Z The change in the jet stream’s position will have a considerable effect on the weather that occurs across the United States. Winter Could Be Warmer in the North and Wetter Across the South 2023-10-19T04:00:00Z That’s when it sends the jet stream, which moves storm fronts, on an unusual path that is dominated by warmer and wetter Pacific air plunging south. Federal forecasters predict warm, wet US winter but less snow because of El Nino, climate change 2023-10-19T04:00:00Z “You’ve got the ingredients near the surface – warm moist air, cold air to the north – and the jet stream takes those ingredients and creates a winter storm out of them,” he said in an interview. Approaching Storm Ciarán may bring highest winds in France and England for decades, forecasters warn 2023-11-01T04:00:00Z Just like the jet stream in the atmosphere, the Gulf Stream sways and oscillates within the ocean. The Gulf Stream is warming and shifting closer to shore 2023-10-09T04:00:00Z Changes in the jet stream may be related to climate change, although scientists are still debating the exact mechanisms. Arctic Cyclones Are Getting Stronger, More Damaging 2023-10-23T04:00:00Z The jet stream is a fast-moving river of air that continuously circles the Northern Hemisphere from east to west. Study identifies jet-stream pattern that locks in extreme winter cold, wet spells 2023-10-04T04:00:00Z El Nino often means “unusual severe weather across the state of Florida because of a strong subtropical jet stream,” he said. Federal forecasters predict warm, wet US winter but less snow because of El Nino, climate change 2023-10-19T04:00:00Z It was also possible that the storm might see a “sting jet,” he said, when part of the jet stream descends to the Earth’s surface very quickly, gaining momentum as it goes. Approaching Storm Ciarán may bring highest winds in France and England for decades, forecasters warn 2023-11-01T04:00:00Z September is chosen due to a lull in storm activity over the summer, and the autumn bringing more storms when jet streams become active, says Mr Lang. How was Storm Agnes named and how did we know it was coming? 2023-09-26T04:00:00Z Changes in the Earth’s jet streams also have played a part, Zhang said, especially in the winter. Arctic Cyclones Are Getting Stronger, More Damaging 2023-10-23T04:00:00Z Another possible factor is changes in jet streams: high-altitude air currents that strongly affect weather patterns. How Climate Change Made Libya’s Flooding Even More Devastating 2023-09-19T04:00:00Z “These jet stream changes combined with the warmer ocean temperatures are making the mid-latitude more favorable to hurricanes,” said Joshua Studholme, a Yale University physicist and the study’s lead author. Climate change could bring more monster storms like Hurricane Lee to New England 2023-09-15T04:00:00Z “These jet stream changes combined with the warmer ocean temperatures are making the mid latitude more favorable to hurricanes,” Joshua Studholme, a Yale University physicist and l ead author on the study. Climate change could bring more storms like Hurricane Lee to New England 2023-09-15T04:00:00Z A number of researchers are concerned that a warming Arctic is weakening the jet stream, allowing hot air from the tropics to flow north and prolonging heatwaves, fueling wildfires, and melting the Arctic. This summer's extreme weather is a sign of things to come 2023-09-08T04:00:00Z And while it’s still a subject of debate, Arctic warming has the potential to cause further shifts in the jet streams — which could alter weather patterns across the Northern Hemisphere. Arctic Cyclones Are Getting Stronger, More Damaging 2023-10-23T04:00:00Z Storm Daniel was held in place for many days by an ‘omega block,’ in which the jet stream bent into a shape resembling the Greek letter omega, says Fowler. How Climate Change Made Libya’s Flooding Even More Devastating 2023-09-19T04:00:00Z A stuck jet stream pattern deprived us of the sun-kissed afternoons many had hoped for. Heatwave to washout - what happened to Scotland's summer? 2023-09-01T04:00:00Z No place on the planet has escaped the influence of Homo sapiens, from the rainforests cleared for farms to microplastic-laced deep oceans to climate-altered jet streams. Humanity’s Ancestors Almost Did Not Survive, Genetic Study Suggests 2023-08-31T04:00:00Z Microplastics evaporate from the ocean and land, then get picked up by the jet stream before being deposited on our trees, crops, rivers and lakes. A reporter kept a diary of her plastic use. It was 'soul crushing' 2023-08-15T04:00:00Z Lesser suspects in the search include a dearth of African dust, which cools like sulfur pollution, as well as changes in the jet stream and a slowdown in ocean currents. Scientists look beyond climate change and El Nino for other factors that heat up Earth 2023-08-08T04:00:00Z “The jet stream in particular seems to have been becoming much more wavy.” How Climate Change Made Libya’s Flooding Even More Devastating 2023-09-19T04:00:00Z The jet stream - a flow of winds high up in the atmosphere - often helps steer weather systems our way. Heatwave to washout - what happened to Scotland's summer? 2023-09-01T04:00:00Z The jet stream marks the boundary of cold air to the north in the polar regions and hot air to the south, a contrast which produces pressure differences. UK weather: Storm and wind warnings for England and Wales as NI sees wettest July 2023-08-01T04:00:00Z She explains it is because the jet stream - which flows high overhead and brings in high pressure, meaning dry and sunny weather - is not in the usual place. UK weather: When will it stop raining and the summer improve? 2023-07-31T04:00:00Z This is linked to the position of the jet stream, according to weather experts. Climate change: July set to be world's warmest month on record 2023-07-27T04:00:00Z Indeed, researchers are investigating whether human-caused climate change is altering the jet stream — fast-moving air currents that drive weather across the globe. Dangers worsen as long heat wave grips Southwest without relent 2023-07-27T04:00:00Z With the jet stream stuck stubbornly to our south, we remained in the firing line of low pressure. Heatwave to washout - what happened to Scotland's summer? 2023-09-01T04:00:00Z Last year, the jet stream was positioned further north, so the UK saw warm and dry weather created by the high-pressure system sitting over the country. UK weather: Storm and wind warnings for England and Wales as NI sees wettest July 2023-08-01T04:00:00Z The jet stream is normally to the north of UK but this year the jet stream is sat to the south of the UK. UK weather: When will it stop raining and the summer improve? 2023-07-31T04:00:00Z In recent years the jet stream has shown a tendency to get stuck, meaning that weather patterns can persist or become "blocked" in place for weeks. Climate change: Last year's UK heatwave 'a sign of things to come' 2023-07-26T04:00:00Z The jet stream — the fast-flowing air currents that drive weather patterns around the globe — may also be changing due to global warming, Dahl said. July is on track to be the hottest month on record — and things are about to get warmer 2023-07-22T04:00:00Z A stuck jet stream pattern deprived us of the sun-kissed afternoons many had hoped for. Heatwave to washout - what happened to Scotland's summer? 2023-09-01T04:00:00Z But this month, the jet stream has been stuck directly over the UK, meaning its low-pressure system has been bringing cold and wet weather. UK weather: Storm and wind warnings for England and Wales as NI sees wettest July 2023-08-01T04:00:00Z The two are linked - and crucially it's down to where the jet stream is. UK weather: When will it stop raining and the summer improve? 2023-07-31T04:00:00Z Some meteorologists and climate scientists believe that a warming Arctic is causing the jet stream to slow down, meaning that such weather systems stay longer in one place. Around the Globe, Searing Heat With No Sign of Relief 2023-07-21T04:00:00Z It is being caused by a high pressure system bringing warmer, tropical air, south of a jet stream currently stuck over central Europe. Heatwave: Italy's major cities on red heat alert 2023-07-19T04:00:00Z The jet stream is stuck in one position dividing the north and south of Europe. How to manage your holiday in a heatwave 2023-07-18T04:00:00Z This change was due to movement of the jet stream - a fast wind high in the atmosphere. Heatwave: Is it coming to the UK? 2023-07-18T04:00:00Z Last summer's record 40C temperature was also down to the jet stream, which swept up hotter air from the equator. UK weather: When will it stop raining and the summer improve? 2023-07-31T04:00:00Z Meteorologists said this was because the southern shift of the jet stream, which was fuelling the hot weather in Europe, was also drawing low-pressure systems into the UK - bringing unsettled and cooler weather. Europe heatwave: Red alerts issued in 15 Italian cities 2023-07-15T04:00:00Z Turbulence, which refers to unstable air movement, is caused by shifting winds, including jet streams, thunderstorms, and fronts of cold or warm weather. 4 People Injured as ‘Severe Turbulence’ Rocks Flight to Florida 2023-07-13T04:00:00Z Often the jet stream - the flow of winds high up in the atmosphere - rushes quickly from west to east in nearly a straight line. Where has the summer gone? 2023-07-13T04:00:00Z To the north of the jet stream you have the cooler Arctic air with rain bearing weather systems being formed. Heatwave: Is it coming to the UK? 2023-07-18T04:00:00Z As the temperature difference between the Arctic and lower latitudes shrinks, the jet stream slows and meanders more. Canada’s record wildfire season set to worsen as heat builds 2023-07-06T04:00:00Z Clear-air turbulence occurs almost exclusively within jet streams. Yes, Airline Flights Are Getting Bumpier: Here’s Why 2023-07-01T04:00:00Z That allows the jet stream of air high above the ground to meander and get stuck, prolonging bouts of bad weather, Mann and Francis said. Climate change keeps making wildfires and smoke worse. Scientists call it the ‘new abnormal’ 2023-06-30T04:00:00Z At other times the jet stream weakens and the flow becomes much more bendy, winding northwards and southwards forming big ridges and troughs. Where has the summer gone? 2023-07-13T04:00:00Z The north to south movement of the jet stream dictates therefore how warm or cool it might be in any location. Heatwave: Is it coming to the UK? 2023-07-18T04:00:00Z "Climate change, as our own work shows, is leading to more of these very persistent 'stuck' summer jet stream patterns." "No end in sight" to wildfire smoke suffocating American cities. And yes, climate change is to blame 2023-06-29T04:00:00Z Simultaneously, however, density differences between the jet stream’s air and the air above and below it restabilize the boundary. Yes, Airline Flights Are Getting Bumpier: Here’s Why 2023-07-01T04:00:00Z It was blown across the Atlantic Ocean through the jet stream - a fast flowing air current in the Earth's atmosphere. Satellite images show Canadian wildfire smoke over UK 2023-06-29T04:00:00Z The jet stream is driven by the contrast in the temperature north-to-south and with the Arctic warming more quickly than areas further south that contrast could lessen. Where has the summer gone? 2023-07-13T04:00:00Z Right now, the jet stream is stuck in a position through central Europe and we call this a blocked weather pattern. Heatwave: Is it coming to the UK? 2023-07-18T04:00:00Z During an El Niño, shifts in that circulation push the subtropical jet stream—a current of fast-moving air that guides storm systems across the country—farther to the south in the winter months. El Niño May Break a Record and Reshape Weather around the Globe 2023-06-21T04:00:00Z “In this situation, the jet stream is unusually strong over the area and it’s creating a springlike situation.” Tornado Hits Central Mississippi, Killing at Least 1 2023-06-19T04:00:00Z While satellites can't see the turbulence, they can see the structure and the shape of the jet stream, allowing it to be analysed. Flight turbulence increasing as planet heats up - study 2023-06-12T04:00:00Z This would weaken the jet stream and make it more susceptible to these waving patterns. Where has the summer gone? 2023-07-13T04:00:00Z The longer term weather models show the jet stream moving further north into August which could bring the UK higher temperatures but an intense heatwave like they are experiencing in southern Europe isn't expected. Heatwave: Is it coming to the UK? 2023-07-18T04:00:00Z They need to avoid jet streams or narrow bands of strong wind in the upper atmosphere. Mount Everest: Deadly season puts focus on record climbing permits 2023-06-08T04:00:00Z The jet stream, which helps air systems move, has been weakened by the warming of the Arctic. Heat index reaches as high as 125 degrees in Puerto Rico amidst sweltering start to summer 2023-06-08T04:00:00Z This particularly involves the jet stream: the fast-moving air current in the atmosphere that transports weather systems across the country. How Long Will Wildfire Smoke Last, and Where Will It Spread? 2023-06-07T04:00:00Z The science on this is complex though - and waves in the jet stream happen naturally anyway - so it's not yet clear how big an effect climate change is having. Where has the summer gone? 2023-07-13T04:00:00Z The jet stream usually pens the polar vortex in and keeps it north. What makes a storm a typhoon? What’s a super typhoon? 2023-05-24T04:00:00Z Calgary smoke plumes have been carried into the contiguous 48 through jet streams in recent weeks, from the Northern Rockies to the East Coast. Smoke from Canada arrives in WA. How long will it last? 2023-05-17T04:00:00Z The Puerto Rican heat wave, ClimaData meteorologist John Morales said, will not break until something shifts in the jet stream to allow the dome to dissipate. Heat index reaches as high as 125 degrees in Puerto Rico amidst sweltering start to summer 2023-06-08T04:00:00Z That said, “as we go into summer and the jet stream weakens across the continental United States, it’s likely we’ll see a slow diminishing of the problems we’re seeing with the smoke from Canada.” How Long Will Wildfire Smoke Last, and Where Will It Spread? 2023-06-07T04:00:00Z As the warm water moves west, it takes tropical rainfall with it, disrupting the normal circulation of the atmosphere and affecting jet streams. El Niño weather is likely: How it differs from La Niña, what it means for PNW 2023-05-09T04:00:00Z Two oceans, the Gulf of Mexico, the Rocky Mountains, jutting peninsulas like Florida, clashing storm fronts and the jet stream combine to naturally brew the nastiest of weather. The US leads the world in weather catastrophes. Here’s why 2023-04-01T04:00:00Z The winds twirling at opposite directions on the west and east of the jet stream battleground add to the problem, the meteorologists said. Watch out: Series of dangerous storms target Midwest, South 2023-03-29T04:00:00Z In addition to the slowed-down jet stream, dust blowing across the Atlantic from the Sahara Desert is drying out the air around Puerto Rico. Heat index reaches as high as 125 degrees in Puerto Rico amidst sweltering start to summer 2023-06-08T04:00:00Z During El Niño events, the warmer water pushes the Pacific jet stream's strong air currents further to the south and the east. What are El Niño and La Niña, and how do they change the weather? 2023-01-11T05:00:00Z El Niño occurs when the jet stream dips further south than usual in the Pacific, amplifying the storm track across the southern U.S. and Central America, but keeping stronger tropical moisture away from the north. El Niño weather is likely: How it differs from La Niña, what it means for PNW 2023-05-09T04:00:00Z At the high altitudes, counterclockwise-spinning high pressure is present, shunting the jet stream to the south. Deadly cyclone Freddy has become Earth’s longest-lived tropical storm 2023-03-07T05:00:00Z Central to this is a fast-moving rollercoaster-like jet stream, the shifting river of air that moves weather systems, such as storms, from west to east. Watch out: Series of dangerous storms target Midwest, South 2023-03-29T04:00:00Z As the Earth warms, he said, the air circulation that keeps the jet stream and polar air in the polar regions starts to break down. ‘Pretty Epic’ Mountain Snowfall Stuns Californians 2023-03-06T05:00:00Z As a result, the jet stream, which would bring colder conditions to the region, has kept that air closer to the Canadian border rather than dropping down into the northeast. Snow has been a no-show for some traditionally wintry cities 2023-03-06T05:00:00Z That is causing more instability in the jet streams. Lufthansa flight shows turbulence still causing injuries 2023-03-02T05:00:00Z He said this winter’s unusual pattern of “extreme volatility” could be linked to swings in the jet stream that started around December. Snowballs at the Hollywood sign: Does it signal the biggest SoCal snow event in decades? 2023-02-24T05:00:00Z On the west side of the jet stream is extreme cold air and to the east, parked off Florida and Caribbean, is a very warm and dry high-pressure system. Watch out: Series of dangerous storms target Midwest, South 2023-03-29T04:00:00Z Since about November, the jet stream has been digging out an area of low pressure that has been persistent over much of the West Coast, he said. Rare weather conditions fueling California's 'major and unusual storm' 2023-02-23T05:00:00Z Since about November, the jet stream has been digging out an area of low pressure that has been persistent over much of the West Coast. California faces snowmaker of epic proportions from Oregon to Mexican border 2023-02-22T05:00:00Z However, the intense cold front forced the jet stream and high altitude steering currents to dip south and may have scooped the balloon northward. U.S. tracked China spy balloon from launch on Hainan Island along unusual path 2023-02-14T05:00:00Z The jet stream is the air current in the upper level of the atmosphere that guides weather systems across the globe. Snowballs at the Hollywood sign: Does it signal the biggest SoCal snow event in decades? 2023-02-24T05:00:00Z He said that the jet stream provided the rest of the balloon’s propulsion. Previous Chinese Balloon Incursions Initially Went Undetected 2023-02-06T05:00:00Z Within that main system are multiple “waves of energy” due to the flow of the jet stream, or the air currents in the upper level of the atmosphere that guide weather systems across the globe. Rare weather conditions fueling California's 'major and unusual storm' 2023-02-23T05:00:00Z Officials said it wasn't clear how much of that acceleration was due to the jet stream or the use of the balloon's own steering. How China's balloon over America steered its way into spying history 2023-02-06T05:00:00Z By that day, the balloon was over Kansas and heading, helped in part by the jet stream, to the Eastern Seaboard. Downing of Chinese Spy Balloon Ends Chapter in a Diplomatic Crisis 2023-02-04T05:00:00Z The concept of atmospheric rivers began to emerge in the 1970s, when research in the U.K. showed that a low-level jet stream ahead of a cold front was connected to heavy rains in Britain. How do you track an atmospheric river? Climb aboard this highflying reconnaissance jet 2023-02-01T05:00:00Z Its southward bulge is accompanied by a shift in the jet stream, a ring of strong wind that blows from west to east along the vortex’s edges, he said. Asia Has Had a Really Cold Month, Courtesy of the Polar Vortex 2023-01-27T05:00:00Z Atmospheric rivers are steered by the low-level jet stream, said Christine Shields, a climate scientist at the National Center for Atmospheric Research. How climate change will make atmospheric rivers even worse 2023-01-12T05:00:00Z Turbulence, which is air movement that often occurs unexpectedly and cannot be seen, can be created by various conditions, including cold or warm weather fronts, thunderstorms and jet streams. Cloud ‘Shot Up’ Just Before Severe Turbulence Struck, Report Says 2023-01-14T05:00:00Z And flying at an altitude of 41,000 feet to 45,000 feet would let the plane sample both the storm itself and the jet stream, whose powerful winds help shape the system’s course. 8 Miles Over the Pacific, an Early Look at California’s Wild Weather 2023-01-14T05:00:00Z And the overall weather pattern in the atmosphere is basically the jet stream is just bringing one storm after the other across the Pacific Ocean. Why California weather will be chaotic in the future, according to a climate scientist 2023-01-14T05:00:00Z The cold front was following a classic waviness in the jet stream — the atmospheric rivers that move weather systems — seen in La Nina winters, Gensini said. EXPLAINER: What came together to make deadly Alabama tornado 2023-01-13T05:00:00Z A warmer climate, however, is expected to push the jet stream toward the equator. How climate change will make atmospheric rivers even worse 2023-01-12T05:00:00Z The La Nina, a cooling of parts of the Pacific that changes weather worldwide, was a factor in making a wavy jet stream that brought a cold front through, Gensini said. At least 7 dead as severe winds, tornadoes hammer US South 2023-01-12T05:00:00Z The short answer is the location of the jet stream or storm track — a belt of strong winds high in the troposphere where airliners fly. What is causing the parade of storms battering California? 2023-01-12T05:00:00Z We're just seeing a really great example of this jet stream in the right position and these families of atmospheric rivers that are just coming one right after the other. Why California weather will be chaotic in the future, according to a climate scientist 2023-01-14T05:00:00Z The storm track is a wind current, like the jet stream, that carries the river of moisture from west to east. Why California Is Being Deluged by Atmospheric Rivers 2023-01-11T05:00:00Z A jet stream of moisture, thanks to an atmospheric river flowing in from California, will deliver wet and windy conditions again later in the week, Mazurkiewicz said. Seattle weather forecast: Springlike conditions, but not for long 2023-01-10T05:00:00Z Much of what’s causing problems worldwide is coming out of a roiling Pacific Ocean, transported by a wavy jet stream, experts said. Wild weather driven by roiling Pacific, nature and warming 2023-01-04T05:00:00Z The jet stream pattern this winter is very unusual for current La Niña conditions, said Alex Tardy, a meteorologist with the National Weather Service in San Diego. What is causing the parade of storms battering California? 2023-01-12T05:00:00Z But, at least for the moment, weather systems are instead surfing the jet stream directly into California. A truly ‘brutal system’: Atmospheric river to slam California 2023-01-03T05:00:00Z The jet stream picks up moisture along the way, which can increase the amount of rainfall. How atmospheric rivers and a bomb cyclone add up to mayhem 2023-01-03T05:00:00Z "So the starker the difference in temperature between the northern edge of it and southern edge, the stronger the jet stream becomes." Flood alert for south Scotland as amber weather warning issued 2022-12-29T05:00:00Z “I’d describe the jet stream and bomb cyclones as a runaway Pacific freight train loaded with moisture,” said Maue, former chief scientist of the National Oceanic and Atmospheric Administration in the Trump administration. Wild weather driven by roiling Pacific, nature and warming 2023-01-04T05:00:00Z Central California continues to be the primary focus of this El Niño-like jet stream position, and the part of the state that has received the most above-average precipitation. What is causing the parade of storms battering California? 2023-01-12T05:00:00Z That leads to weakening of the high-altitude winds called the polar jet stream. which becomes more sinuous, or wavier, and allows the polar vortex to spread southward. A ‘Once in a Generation’ Storm. What’s the Role of Climate Change? 2022-12-28T05:00:00Z “It can be created by many different conditions, including atmospheric pressure, jet streams, air around mountains, cold or warm weather fronts or thunderstorms,” the agency says on its website. Just how dangerous is turbulence? 2022-12-19T05:00:00Z Francis’s research hypothesized that Arctic warming was reducing the contrast between polar and tropical temperatures, weakening the jet stream, a band of strong winds in the upper atmosphere that helps guide weather patterns. Scientists say Arctic warming could be to blame for blasts of extreme cold 2022-12-23T05:00:00Z And with a wavier than normal jet stream, extremes of all kinds go up and down and around the planet, Francis said. Wild weather driven by roiling Pacific, nature and warming 2023-01-04T05:00:00Z It’s not unusual for storms to move along the jet stream. What is causing the parade of storms battering California? 2023-01-12T05:00:00Z Then the jet stream - wobbling air currents in the middle and upper parts of the atmosphere - began pushing this cold pool down into the U.S. Winter weather live updates | Travel chaos, bitter cold 2022-12-23T05:00:00Z The vortex is encircled by the polar jet stream, a band of winds that blows from west to east around the planet. What Is the Polar Vortex? And Other Cold-Weather Climate Questions 2022-12-22T05:00:00Z A weaker jet stream would allow weather systems to more easily swing from the Arctic down into mid-latitude regions that typically have temperate climates. Scientists say Arctic warming could be to blame for blasts of extreme cold 2022-12-23T05:00:00Z Parts of the country experienced severe cold that month as warming temperatures in the Arctic destabilized the polar jet stream, sending frigid air southward. 5 ways climate change made life more expensive in 2022 2022-12-21T05:00:00Z This jet stream is like a moving sidewalk at the airport, where storms can pick up baggage along the way. What is causing the parade of storms battering California? 2023-01-12T05:00:00Z This week, though, shifts in the jet stream are pushing the air more to the southeast than usual, Oravec said — sweeping the freeze across the country and making storm conditions more intense. EXPLAINER: Arctic blast sweeps US, bomb cyclone possible 2022-12-21T05:00:00Z It is accompanied by changes to the jet stream, which develops a wavy, snakelike pattern as it circles the globe. What Is the Polar Vortex? And Other Cold-Weather Climate Questions 2022-12-22T05:00:00Z Since then, observations of jet stream patterns have not confirmed the hypothesis, said Daniel Swain, a climate scientist at UCLA. Scientists say Arctic warming could be to blame for blasts of extreme cold 2022-12-23T05:00:00Z And that is causing more instability in the jet streams. Turbulence persists as a major cause of injuries on flights 2022-12-20T05:00:00Z It will tap into jet stream energy, quickly ballooning into a major mid-latitude cyclone. Blockbuster storm, bitter arctic outbreak to blast U.S. before Christmas 2022-12-19T05:00:00Z Then the jet stream — wobbling air currents in the middle and upper parts of the atmosphere — began pushing this cold pool down into the U.S. EXPLAINER: Arctic blast sweeps US, bomb cyclone possible 2022-12-21T05:00:00Z Some scientists say Arctic warming is causing disruptions in the vortex, through the changes in the polar jet stream. What Is the Polar Vortex? And Other Cold-Weather Climate Questions 2022-12-22T05:00:00Z For instance, warm temperatures in the Far North can cause the polar jet stream to dip south, bringing bitter cold across parts of the northern hemisphere. Report: A hotter, wetter Arctic spells trouble for everyone 2022-12-16T05:00:00Z Adding to that uncertainty are disruptions to the jet stream, or the fast-flowing air currents in the upper level of the atmosphere that guide weather systems from west to east. Recent storms give drought-weary California cause for hope, but will they continue? 2022-12-13T05:00:00Z It is a large high-pressure zone over Greenland that impedes weather systems from running into it and forces the jet stream, along which storms track, to dive south over eastern North America. ‘Greenland block’ could mean cold and snow by mid-December in D.C. area 2022-11-29T05:00:00Z The Columbia researchers also found that several factors converged to help create the blistering heat dome, including anomalously dry soils and disruptions to the jet stream. Climate change is increasing the frequency and temperature of extreme heat waves 2022-11-24T05:00:00Z The basic idea, he said, is that the warmer conditions create larger and more energetic atmospheric waves that make the jet stream wavier, with greater peaks and troughs. What Is the Polar Vortex? And Other Cold-Weather Climate Questions 2022-12-22T05:00:00Z Instigating the snowfall is a stubborn upper-air weather pattern dominated by a sprawling dip in the jet stream, or trough, over the eastern United States. Massive lake-effect snowfalls in western New York blamed in 2 deaths 2022-11-18T05:00:00Z Swain said the jet stream pattern is currently “topsy-turvy” because of ridges of extreme high pressure in the Arctic, contributing to wider forecast variations than normal. Recent storms give drought-weary California cause for hope, but will they continue? 2022-12-13T05:00:00Z Meteorologists say the mild weather is the result of a powerful jet stream bringing warm air up from the south. Why is the weather so warm this November? 2022-11-11T05:00:00Z The jet stream — the fast-flowing air currents in the upper level of the atmosphere that guide weather systems from west to east — also played a role in the heat wave, according to the study. Climate change is increasing the frequency and temperature of extreme heat waves 2022-11-24T05:00:00Z Among these, he said, is the idea that Arctic warming, by reducing the temperature difference between the Arctic and the tropics, has weakened the jet stream winds. What Is the Polar Vortex? And Other Cold-Weather Climate Questions 2022-12-22T05:00:00Z This creates a big contrast with the lingering warmth farther south, strengthening the polar jet stream—which then sends incursions of cold air southward. How Rare Are November Hurricanes? 2022-11-09T05:00:00Z By the early evening, a string of four or five main rotating supercells had become established, and as they tapped into the low-level jet stream, they became tornado factories. Tornadoes hit Oklahoma and Texas with one death reported 2022-11-05T04:00:00Z BBC Weather's Simon King says the unusually high November temperatures are down to the jet stream and, more specifically, to the direction of the wind. Why is the weather so warm this November? 2022-11-11T05:00:00Z Before and during the event, the jet stream “buckled” into a wave pattern and slowed down, essentially locking the weather system in place and allowing the dome of heat to build up over the region. Climate change is increasing the frequency and temperature of extreme heat waves 2022-11-24T05:00:00Z But other aspects, including whether and where warming is making the jet stream wavier, “are the things that we’ve really been wrestling with and remain uncertain,” he said. What Is the Polar Vortex? And Other Cold-Weather Climate Questions 2022-12-22T05:00:00Z The researchers also found that changes in the polar jet stream that circles the planet most likely contributed to greater fire activity. Warming Made Siberian Fires Worse. The Trend Will Continue, Scientists Say. 2022-11-03T04:00:00Z The storms formed as a result of a potent mid-level disturbance — a pocket of frigid air, low pressure and spin nestled within a dip in the jet stream. Tornadoes hit Oklahoma and Texas with one death reported 2022-11-05T04:00:00Z The jet stream is a fast-moving wind high in the atmosphere - where commercial planes typically fly - that generally moves from west to east over the Atlantic to Europe. Why is the weather so warm this November? 2022-11-11T05:00:00Z The researchers noted that the effect of climate change on the jet stream is still being debated, although some scientists believe such wave patterns are becoming more frequent and extreme due to human activity. Climate change is increasing the frequency and temperature of extreme heat waves 2022-11-24T05:00:00Z In the Pacific, terrible weather and violent jet streams combined to wreck bombing accuracy. When we criticize Russia's war crimes in Ukraine, we should remember the bombing of Tokyo 2022-10-30T04:00:00Z During many weeks when extreme fires occurred, the jet stream was temporarily split in two, with a northerly branch and a more southerly one. Warming Made Siberian Fires Worse. The Trend Will Continue, Scientists Say. 2022-11-03T04:00:00Z That should get picked up by the jet stream & pulled in our direction late week. Seattle weather forecast includes rain, rain … and a bit of sun? 2022-10-24T04:00:00Z The warmest recorded daytime temperature in November in the UK was in 2015, when temperatures reached 22.4C - an event that was also linked to the jet stream. Why is the weather so warm this November? 2022-11-11T05:00:00Z That’s because it tends to shift the jet stream — a band of atmospheric winds that steers weather systems across the continent — toward northern states and Canada. NOAA forecasts mild, dry winter for southern U.S., expanding drought 2022-10-20T04:00:00Z The same phenomenon may be causing abnormal spells of extreme heat and blasts of polar frigidity, because the jet stream winds that normally break up weather patterns and drive storm systems are weaker. How climate change is rapidly fueling super hurricanes 2022-09-29T04:00:00Z This divergent jet stream is the same phenomenon that scientists say likely contributes to increasing heat waves in Europe. Warming Made Siberian Fires Worse. The Trend Will Continue, Scientists Say. 2022-11-03T04:00:00Z The source of uncertainty is how Ian will interact with other weather systems, including a trough, or dip in the jet stream, that could pull the storm eastward as it approaches Florida. Florida prepares for Ian’s impact ‘one way or the other’ as hurricane strengthens 2022-09-26T04:00:00Z The uncertainty in the forecast stems from an approaching trough, or dip in the jet stream, over the northern United States. Ian strengthens on perilous path toward Florida 2022-09-25T04:00:00Z Eventually, an approaching trough, or dip in the jet stream, will scoot eastward over the U.S. All of Puerto Rico without power as Hurricane Fiona slams island 2022-09-18T04:00:00Z Scientists hypothesize that the jet stream, which creates strong wind shear, could be pushed north as global temperatures rise. How climate change is rapidly fueling super hurricanes 2022-09-29T04:00:00Z “All this warm air that’s been brought north by this ex-typhoon is basically inducing a chain reaction in the jet stream downstream from Alaska,” he said. Alaska braces for huge storm, flooding, power outages feared 2022-09-16T04:00:00Z And climate change seemed to slightly change the jet stream, storm tracks and where low pressure sits, bringing more rainfall for southern provinces than they usually get, Saeed said. Warming, other factors worsened Pakistan floods, study finds 2022-09-15T04:00:00Z La Niña is the cooler phase of the El Niño-Southern Oscillation climate pattern and is a significant driver of weather conditions across the globe, including temperature, rain and snowfall, jet streams and tropical cyclones. A rare third year of La Niña is on deck for California, forecasters say 2022-09-13T04:00:00Z This high atmospheric pressure is linked to the configuration of the jet streams, bands of speedy winds that form high in the atmosphere in areas where cold air and hot air meet. A short guide to understanding heat domes. 2022-09-01T04:00:00Z Weather events across the northern hemisphere can also be connected by the polar jet stream, a fast-flowing air current that moves weather systems from one part of the world to another. From Pakistan to Texas, big rains after extreme heat deliver double punch 2022-09-01T04:00:00Z They say hotter air, warmer oceans and melting sea ice alter the jet stream, which makes storms, floods, heat waves, droughts and wildfires more destructive. Drought forces earliest harvest ever in French wine country 2022-08-25T04:00:00Z But human influence is affecting the dynamics of weather systems, the periodicity of the jet stream and the moisture-holding capacity of the atmosphere. Analysis | Five 1,000-year rain events have struck the U.S. in five weeks. Why? 2022-08-23T04:00:00Z Another factor is the stuck and wavier jet stream — the atmospheric river that moves weather systems around the world — said Woodwell’s Francis. Weather whiplash: Summer lurches from drought to flood 2022-08-23T04:00:00Z The jet streams tend to be narrow, wavy corridors of air that move west to east and migrate north to south. A short guide to understanding heat domes. 2022-09-01T04:00:00Z The jet stream disturbance is still a topic of intense research. From Pakistan to Texas, big rains after extreme heat deliver double punch 2022-09-01T04:00:00Z However, different ecosystems exist at the same latitude due in part to abiotic factors such as jet streams, the Gulf Stream, and ocean currents. Biology for AP Courses 2022-06-09T00:00:00Z Saturn shows a similar pattern, but with a much stronger equatorial jet stream, as we noted earlier. Astronomy 2016-10-13T00:00:00Z “When that jet stream pattern gets amplified, which is what we’re starting to see happen more often, then we notice more of these big whiplash events,” Francis said. Weather whiplash: Summer lurches from drought to flood 2022-08-23T04:00:00Z Sometimes jet streams can expand, becoming slower, or even stagnant, and heavier. A short guide to understanding heat domes. 2022-09-01T04:00:00Z But there is evidence, including the research around the jet stream, "to believe that atmospheric dynamics have contributed to this increasing trend". From Pakistan to Texas, big rains after extreme heat deliver double punch 2022-09-01T04:00:00Z A majority of widespread wind damage events occur in the fall through spring, typically coming from strong mid-latitude storm systems dancing along the jet stream. Rare 1,000-mile derecho event crosses Europe, killing at least a dozen 2022-08-18T04:00:00Z One of the most powerful controls on Earth’s rotation throughout the year—and a contributor to June 29’s 1.59-millisecond deficit—is the wind, particularly the strong jet stream winds in the Northern Hemisphere. Here’s Why Earth Just Had Its Shortest Day on Record 2022-08-19T04:00:00Z The speed of the jet stream was 100 mph. Intermediate Algebra 2020-05-06T00:00:00Z Yes, they can, but areas that are farther from water, have flatter topography and are south of where jet streams migrate in the summer are more prone to oppressive heat domes. A short guide to understanding heat domes. 2022-09-01T04:00:00Z Mann said there’s evidence shown by his research at Penn State University that climate change is leading to a “stuck jet stream” pattern. Northeastern farmers face new challenges with severe drought 2022-08-14T04:00:00Z Climate change has lessened the temperature differences between regions, sapping the forces that drive the jet stream, which normally brings wet Atlantic weather to Europe, he said. European drought dries up rivers, kills fish, shrivels crops 2022-08-11T04:00:00Z That link explains why the jet stream in the Southern Hemisphere—which blows mostly over the ocean—doesn’t have such a noticeable impact. Here’s Why Earth Just Had Its Shortest Day on Record 2022-08-19T04:00:00Z The speed of the jet stream was 50 mph. Intermediate Algebra 2020-05-06T00:00:00Z He judged jet stream effects, then returned, afterwards, to equations—physics of air and water, the way they interact— but he's wanted to go inside the living fact. Solomon: Poem: ‘My Father Flies into a Hurricane’ 2022-08-10T04:00:00Z Scientists reported this month that heat waves in Europe have grown in frequency and intensity over the past four decades, at least partly because of changes in the jet stream. Climate Change Worsened Britain’s Heat Wave, Scientists Find 2022-07-28T04:00:00Z A weaker or unstable jet stream can result in unusually hot air coming to Europe from North Africa, leading to prolonged periods of heat. European drought dries up rivers, kills fish, shrivels crops 2022-08-11T04:00:00Z Heat domes bring hot, sinking air and act as a force field that diverts the jet stream north into Canada. Heat to wane in Northeast as Pacific Northwest prepares to roast 2022-07-25T04:00:00Z If the plane was flying at a rate of 450 miles per hour, what was the speed of the jet stream? Intermediate Algebra 2020-05-06T00:00:00Z The southward-dipping jet stream is a harbinger of cooler winter weather to come. For coastal L.A., the hottest days of summer are yet to come 2022-07-23T04:00:00Z Atop the heat dome is the jet stream, marking the southern periphery of cooler weather. Brutal heat from Phoenix to Boston triggers alerts for 100 million 2022-07-21T04:00:00Z The high acts as a force field of sorts, diverting the jet stream northward and deflecting any inclement weather into Canada. Extreme heat prompts alerts in 28 states as Texas, Oklahoma hit 115 2022-07-20T04:00:00Z Changes in the jet stream — potentially tied to climate change — have also played a role in increasing the number of heat waves over the past four decades. As heat waves hit U.S. and Europe, leaders split on climate change 2022-07-19T04:00:00Z Let r = the speed of the jet stream. Intermediate Algebra 2020-05-06T00:00:00Z The offshore high weakens and moves south, while at the same time the polar jet stream begins to dip south and bring cooler air masses and high pressure to the Great Basin. For coastal L.A., the hottest days of summer are yet to come 2022-07-23T04:00:00Z Over the weekend, the jet stream will take a dip toward the north-central United States and Great Lakes, ushering in cooler air in those areas. Brutal heat from Phoenix to Boston triggers alerts for 100 million 2022-07-21T04:00:00Z One theory suggests higher temperatures in the Arctic are causing the jet stream to slow, increasing the likelihood of heat domes. Extreme weather: What is it and how is it connected to climate change? 2022-07-19T04:00:00Z Typically a relatively strong jet stream, a narrow band of strong winds about 6 to 7 miles above ground, brings cooler air from the North Atlantic Ocean. As heat waves hit U.S. and Europe, leaders split on climate change 2022-07-19T04:00:00Z The speed of the jet stream was 50 mph. Intermediate Algebra 2020-05-06T00:00:00Z The jet stream at this time of year has generally shifted to its farthest north location for the season, up near the Canadian border or beyond. For coastal L.A., the hottest days of summer are yet to come 2022-07-23T04:00:00Z The authors linked this to changes in the jet stream - a fast west-to-east air current in the northern hemisphere. Explainer: How climate change drives heatwaves and wildfires in Europe 2022-07-19T04:00:00Z So have changes in the jet stream, scientists say. Your Tuesday Briefing 2022-07-18T04:00:00Z But winds have gotten weaker over the continent, and the jet stream is splitting into two branches, paving the way for persistent and intense heat waves, Rousi explained. As heat waves hit U.S. and Europe, leaders split on climate change 2022-07-19T04:00:00Z If the plane was flying at a rate of 500 miles per hour, what was the speed of the jet stream? Intermediate Algebra 2020-05-06T00:00:00Z It’s known as a “cutoff low” in the parlance of atmospheric scientists, because it was cut off from a river of westerly winds, the mid-latitude jet stream, that circles the planet at high altitudes. Why Europe Is Becoming a Heat Wave Hot Spot 2022-07-18T04:00:00Z But Europe is particularly at risk because of the splitting of the jet stream, a giant ribbon of fast-flowing air that circles the Northern Hemisphere. With Record-Breaking Heat, Europe Glimpses Its Climate Future 2022-07-18T04:00:00Z Heat domes shunt the jet stream to the north, meaning the river of swiftly-moving upper-atmospheric winds was racing over the Northern Plains with plenty of momentum for thunderstorms to tap into. Derecho turns sky green, sweeps through 5 states with 90 mph winds 2022-07-06T04:00:00Z Typically, heat domes are tied to the behavior of the jet stream, a band of fast winds high in the atmosphere that generally runs west to east. What Is a Heat Dome? 2022-07-06T04:00:00Z We are looking for the speed of the jet stream. Intermediate Algebra 2020-05-06T00:00:00Z Scientists are working to pin down how the meandering of the jet stream, which has long shaped weather patterns for billions of people, might be changing in this warming era. Heat Waves Around the World Push People and Nations ‘To the Edge’ 2022-06-24T04:00:00Z Some studies suggest that climate change may be altering the atmosphere in ways that are affecting the jet stream’s flow over time. With Record-Breaking Heat, Europe Glimpses Its Climate Future 2022-07-18T04:00:00Z In June 2021, a jet stream charged with heat and chaotic energy from a nearby cyclone stalled over the Pacific Northwest. Record-shattering events spur advances in tying climate change to extreme weather 2022-06-15T04:00:00Z Normally, the jet stream has a wavelike pattern, meandering north and then south and then north again. What Is a Heat Dome? 2022-07-06T04:00:00Z If the plane was flying at a rate of 550 miles per hour, what was the speed of the jet stream? Intermediate Algebra 2020-05-06T00:00:00Z During La Niña, stronger trade winds in the Pacific Ocean bring colder water to the surface, creating conditions that help push the jet stream farther north. As 2022 Hurricane Season Looms, A Current that Fuels Monster Storms Is Very Warm 2022-05-26T04:00:00Z Some scientists cite a connection between the polar vortex, a wall of wind that circles the Arctic, and jet streams, the bands of strong winds that generally blow from west to east. Climate change whiplashes us from drought to deluge 2022-05-22T04:00:00Z An unusually meandering jet stream helped launch the monster dust cloud. Hard ‘skin’ on the surface of soils helps keep dust storms at bay 2022-05-17T04:00:00Z When the jet stream swings far to the north, air piles up and sinks. What Is a Heat Dome? 2022-07-06T04:00:00Z The turbulent weather pattern is the result of a large dip in the jet stream — the river of high altitude winds — in the western United States. ‘Potentially historic’ wildfire event threatens New Mexico, Southwest 2022-05-07T04:00:00Z When a storm distorts the jet stream, which is made of currents of fast-flowing air, it is a bit like yanking a skipping rope at one end and seeing the ripples move along it. Extreme weather: What is it and how is it connected to climate change? 2022-05-06T04:00:00Z This persistent pattern helped push a cold and powerful jet stream, along which storms track further south than normal. 2022 generated most March tornadoes on record in U.S. 2022-04-05T04:00:00Z The past week has been quite warm across the eastern half of the United States, a result of the fast-flowing belt of air known as the jet stream being swept north into Canada. Nor’easter to paste Appalachians and interior New England with snow 2022-04-17T04:00:00Z When these meanders in the jet stream become bigger, they move slower and can become stationary. What Is a Heat Dome? 2022-07-06T04:00:00Z The ridge of high pressure, which Tardy says has been mostly in place since early 2019, is an atmospheric feature of La Niña and how it affects the jet stream. Much-needed Southern California rain is on the way after this week's heat wave 2022-03-25T04:00:00Z One theory is higher temperatures in the Arctic are causing the jet stream to slow, increasing the likelihood of heat domes. Extreme weather: What is it and how is it connected to climate change? 2022-05-06T04:00:00Z The configuration of the jet stream, in concert with high pressure near the East Coast, lifted warm and moist air north from the Gulf of Mexico. 2022 generated most March tornadoes on record in U.S. 2022-04-05T04:00:00Z A jet stream realignment to start the weekend has sent this unusually cold air surging eastward. Nor’easter to paste Appalachians and interior New England with snow 2022-04-17T04:00:00Z This is primarily because the jet stream — which powers storms and pushes chilly air masses south and east as Arctic fronts — is strongest during the winter months. Analysis | The D.C. area’s strongest wind gusts are increasing — it’s not your imagination 2022-03-14T04:00:00Z This big lump of high pressure pushed the jet stream or storm track inland, and set the stage for heat advisories during Super Bowl week in Los Angeles. Why it's been so warm and windy in Southern California this winter 2022-03-12T05:00:00Z At least 14 people have died across Europe during a week of wild weather that meteorologists say is being fueled by an unusually strong jet stream over the North Atlantic. Northern Europe battered by 3rd major storm; deaths hit 14 2022-02-21T05:00:00Z Meanwhile, the unusually far-south jet stream delivered atmospheric wave after atmospheric wave into an air mass primed for storm development. 2022 generated most March tornadoes on record in U.S. 2022-04-05T04:00:00Z The beginning of the workweek will see two zones of low pressure stretched out ahead of a dip in the restructured jet stream, one over the western Great Lakes and the other over the Southeast. Nor’easter to paste Appalachians and interior New England with snow 2022-04-17T04:00:00Z Despite the meager instability, any low-topped downpours and thunderstorms that did form were able to tap into momentum from a roaring low-level jet stream aloft. Snow causes 100-vehicle pileup, shutdown on Illinois highway amid sprawling storm 2022-02-18T05:00:00Z Later in the season — late fall and winter — the jet stream comes farther down out of Canada and feeds much colder Arctic air into the interior West. Why it's been so warm and windy in Southern California this winter 2022-03-12T05:00:00Z “A strong jet stream like this can act like a production line for storms, generating a new storm every day or two,” Inness said. At least 4 more deaths as 2nd major storm hits north Europe 2022-02-18T05:00:00Z An intense blast of jet stream winds crashed into a narrow tongue of warm, unstable air over south-central Iowa on March 5, leading to the development of a handful of rotating thunderstorms called supercells. 2022 generated most March tornadoes on record in U.S. 2022-04-05T04:00:00Z Eunice, which began in the central Atlantic and was spun up from the Azores towards Europe by the jet stream, has extreme wind speeds that pose a danger to life, Britain's Meteorological Office said. Storm Eunice batters England and Ireland, warning issued for London 2022-02-18T05:00:00Z The storm began organizing Friday offshore the Carolinas, when two disturbances along the jet stream merged over the Southeast. Massachusetts residents dig out after ‘bomb cyclone’ storm 2022-01-30T05:00:00Z A pair of disturbances nestled within dips in the jet stream were diving southeast across the Lower 48 on Friday. Blockbuster storm to bring blizzard conditions along East Coast 2022-01-28T05:00:00Z While the n-shaped jet stream will probably transition quickly into a u-shape to end January, potentially bringing more storminess toward the coast, it may well shift inland, shutting down any storminess thereafter. After snowy December, California suddenly turns dry, magnifying drought concern 2022-01-24T05:00:00Z I got caught up in that jet stream because of the choices I made and what I wanted to do for a living. Mötley Crüe's Nikki Sixx opens up on sobriety, why he left California for Wyoming: ‘It’s home’ 2022-01-22T05:00:00Z Dr. Wright said that although the wave occurred high in the atmosphere, it may potentially have a short-term effect on weather patterns closer to the surface, perhaps indirectly by affecting the jet stream. Here’s What Scientists Know About the Tonga Volcano Eruption 2022-01-19T05:00:00Z Whether it tracks far enough north to affect us will depend on how it interacts with the jet stream. D.C. has already seen double its typical January snowfall, and more could come 2022-01-17T05:00:00Z They say hotter air and oceans and melting sea ice alter the jet stream which brings and stalls storm fronts, makes hurricanes wetter and stronger, while worsening western droughts and wildfires. Deadly extreme weather year for US as carbon emissions soar 2022-01-10T05:00:00Z Here, it shows the jet stream rapidly switching structure over the West to begin February from more of an n-shape to a u-shape. After snowy December, California suddenly turns dry, magnifying drought concern 2022-01-24T05:00:00Z The Great Blue Spot is being pulled away by Jupiter’s jet streams — a pattern that shows that the planet’s winds extend down much deeper than they originally believed. NASA releases new photos of Jupiter — and a recording of its moon that sounds like R2-D2 2021-12-19T05:00:00Z He explained that as the world gets hotter, the difference in temperature between the equator and polar regions will decline, and this will impact the flow of the jet streams. Climate change: Hurricanes to expand into more populated regions 2021-12-29T05:00:00Z In these kinds of winters, there tend to be two competing jet streams, the polar jet and the subtropical jet. Washington’s most significant weather events of 2021 2021-12-28T05:00:00Z Readers need to be aware of the effects on the weather because of the changes in the polar jet stream resulting from climate change. Opinion | Understanding the full impact of climate change 2021-12-21T05:00:00Z Weather patterns in which the high-altitude jet stream bends into a u-shape over the eastern Pacific Ocean steer such storminess toward the coastline. After snowy December, California suddenly turns dry, magnifying drought concern 2022-01-24T05:00:00Z This creates a powerful vortex of winds circling counterclockwise, which can nudge the jet stream out of its typical pattern. Study draws link between melting Arctic ice and Western U.S. fires that flare in the fall 2021-12-20T05:00:00Z "As the climate warms, that sort of jet stream activity that happens in the middle latitude, will weaken and in extreme cases split, allowing this sort of cyclone formation to occur." Climate change: Hurricanes to expand into more populated regions 2021-12-29T05:00:00Z Demonstrating the vaccine earlier this year, Dr Rebecca Kinsley from DIOSynVax said: "There's no needle or hole. It uses a high-powered jet stream, which allows the vaccine to pass through the layer of skin." Needle-free Covid vaccination demonstrated 2021-12-14T05:00:00Z Meteorologists say the path of the jet stream was another key factor. Opinion | Climate change is a disaster, whether or not it caused Kentucky’s tornadoes 2021-12-13T05:00:00Z The shear is generated as the jet stream, which separates cold air from warm air, dives into the Lower 48 states. Analysis | December tornadoes aren’t rare, but Friday’s outbreak was something totally different 2021-12-12T05:00:00Z His research indicates that when the jet stream is pushed off course, a second vortex, spinning clockwise, can form that brings clear skies and dry condition similar to those during the summer heat wave. Study draws link between melting Arctic ice and Western U.S. fires that flare in the fall 2021-12-20T05:00:00Z The low-pressure intensified as the polar jet stream, the high-altitude current along which storms track, plunged into the central United States ahead of a blast of record-setting warm air. Deadly tornadoes leave path of destruction across six states: ‘It’s unlike anything I’ve ever seen’ 2021-12-11T05:00:00Z The low-pressure intensified as the polar jet stream, the high-altitude current along which storms track, plunged into the central U.S. ahead of a pulse of record-setting warmth. How Friday night’s rare and deadly December tornado outbreak unfolded 2021-12-11T05:00:00Z Meteorologists attribute the latest batch of record-shattering weather extremes to a stuck jet stream and the effects of a La Niña weather pattern from cooling waters in the equatorial Pacific. Stuck jet stream, La Niña causing weird weather 2021-12-04T05:00:00Z As the highly energetic winter jet stream dived into the central states and collided with this springlike environment, the atmosphere exploded. Analysis | December tornadoes aren’t rare, but Friday’s outbreak was something totally different 2021-12-12T05:00:00Z When the jet stream does dive into the western U.S., as low-pressure troughs move from west to east, it generally has been inland, in a configuration that favors dry Santa Ana winds. A change in the weather pattern could mean a chance of rain for L.A. next week 2021-12-03T05:00:00Z The combination of high-pressure zones in the western United States and northern Canada helped frequently steer a dip in the jet stream toward the eastern United States, keeping it chilly. November was cooler and much drier than normal in Washington 2021-12-01T05:00:00Z Experts have attributed much of the warmth to the jet stream pattern, which is shunted north over the central and eastern Pacific thanks to high pressure near the international date line. December launches with exceptional warmth over large parts of Lower 48 states 2021-12-01T05:00:00Z One big factor: The jet stream — the river of air that moves weather from west to east on a rollercoaster-like path — has been stuck. Stuck jet stream, La Niña causing weird weather 2021-12-04T05:00:00Z Variations in the jet stream pattern in the Arctic may also influence how much cold air transport is available at times. We predict a warmer and drier than normal December in the Washington region 2021-11-30T05:00:00Z But late next week, the jet stream is expected to plunge much farther south and cut across Southern California, bringing a much better chance of precipitation for the region. A change in the weather pattern could mean a chance of rain for L.A. next week 2021-12-03T05:00:00Z This weekend, disturbances riding along the jet stream mean a good deal of daytime cloudiness, especially Saturday, and even the chance of a shower. Fall foliage has peaked in the Washington region, and it’s magnificent 2021-11-12T05:00:00Z The placement of the jet stream, farther north than usual, is also linked to a strong and stable polar vortex, which is bottling up frigid air at the very high latitudes. December launches with exceptional warmth over large parts of Lower 48 states 2021-12-01T05:00:00Z A dominant northern jet stream and lack of a subtropical jet. Brace for a wild winter in Washington, but it’s no thrill for snow lovers 2021-11-10T05:00:00Z The dip in the jet stream over the eastern United States, which allowed the cold air to spill south, has since retreated and above-average temperatures are now forecast until Friday or Saturday. D.C. had chilliest start to November in a decade, with unusually cold nights 2021-11-08T05:00:00Z Life has come at him with the speed of the Concord backed by the jet stream. Sideline incident the latest in string of bad decisions damaging UW football coach Jimmy Lake’s reputation 2021-11-08T05:00:00Z An increasingly large number of studies link Arctic changes to alterations of the jet stream — the river of air that moves weather from west to east — and other weather systems. Ice on the edge of survival: Warming is changing the Arctic 2021-11-06T04:00:00Z For one thing, the storm is deep, but not nearly as deep as some of the surrounding jet streams, which extend up to 1,800 miles, or 3,000 kilometers, into the planet. NASA’s Juno spacecraft finds just how deep Jupiter’s Great Red Spot goes 2021-10-28T04:00:00Z An aeroplane flies underneath the jet stream of another aircraft above the Italian city of Padova September 18, 2013. First reality check launched for corporate climate claims 2021-10-27T04:00:00Z In La Niña, lower than normal sea surface temperatures in the equatorial Pacific lead to changes in the jet stream, a high altitude river of winds that can affect weather elsewhere in the world. La Niña Weather Pattern Likely to Prolong Western Drought, NOAA Says 2021-10-21T04:00:00Z In mid-August a sharp kink in the jet stream brought torrential storms to Tennessee that dropped an incredible 17 inches of rain in just 24 hours; catastrophic flooding killed at least 20 people. Vapor Storms Are Threatening People and Property 2021-10-19T04:00:00Z And while it’s normal to see an active jet stream in the Pacific Northwest in fall, it’s a “a little more active than normal for October,” she said. Surprise, Seattle! After record-breaking temperatures, more wet and cold weather is on the way 2021-10-14T04:00:00Z Brewing the meteorological maelstrom is an active jet stream slicing across the country. Big storm bringing worst of every season to much of western U.S. 2021-10-12T04:00:00Z Tropical cyclones on the far side of the ocean from California can travel to the north or northeast, where they may influence the jet stream. California and the West can see small glimmers of hope in weather outlooks for October 2021-10-06T04:00:00Z Over North America, La Niña usually, although not always, shifts the jet stream to the north, bringing more storms to that part of the continent and fewer to the south. La Niña Weather Pattern Likely to Prolong Western Drought, NOAA Says 2021-10-21T04:00:00Z That “cutoff low,” or area of cool air and spin at high altitudes, is set to linger there for days, as it’s pinched off from the jet stream and has nothing to tug it along. How Tuesday’s sunrise cast a fiery crown over Washington’s sky 2021-10-05T04:00:00Z “Basically, the winds in the polar stratosphere have been stronger than normal, which is associated with shifting the jet stream toward the pole,” Amy Butler, an atmospheric scientist at NOAA, wrote in a message. South Pole posts most severe cold season on record, a surprise in a warming world 2021-10-01T04:00:00Z A cold front is slicing through California along the leading edge of the dipping jet stream, drawing bone-dry air southward and a surge of winds. Big storm bringing worst of every season to much of western U.S. 2021-10-12T04:00:00Z The jet stream, also called the storm track, is a narrow band of strong winds rushing from west to east in the upper levels of the atmosphere. California and the West can see small glimmers of hope in weather outlooks for October 2021-10-06T04:00:00Z In general, with a stronger La Niña, the response of the jet stream is greater as well. La Niña Weather Pattern Likely to Prolong Western Drought, NOAA Says 2021-10-21T04:00:00Z The North Atlantic jet stream, a fast-moving air current circling the Northern Hemisphere, may migrate northward in the coming decades if strong global warming continues. Storm-Steering Jet Stream Could Shift Poleward in 40 Years 2021-09-21T04:00:00Z The seasonal armyworms, the publication reports, can travel up to 500 miles in 24 hours, getting into the jet stream and dropping down. Insect invasion: Armyworms are coming for lawns 2021-09-09T04:00:00Z Meteorologists often refer to the pattern as an “inside slider” because the jet stream, instead of moving in directly from the Pacific Ocean, will dive farther inland and bring mostly wind instead of rain. Big storm bringing worst of every season to much of western U.S. 2021-10-12T04:00:00Z Powerful storms such as typhoons can muscle the jet stream’s patterns of low-pressure troughs and high-pressure ridges, a little like battle rope waves, and these changes can affect the West Coast of North America. California and the West can see small glimmers of hope in weather outlooks for October 2021-10-06T04:00:00Z When the vortex is split in two, or stretched out, associated shifts in the jet stream at lower altitudes can push frigid surface air into the mid-latitudes, including the United States. Climate change may have worsened deadly Texas cold wave, new study suggests 2021-09-03T04:00:00Z A new study finds that the jet stream could shift outside the bounds of its historic range within just a few decades — by the year 2060 or so — under a strong warming scenario. Storm-Steering Jet Stream Could Shift Poleward in 40 Years 2021-09-21T04:00:00Z The jet stream pattern was somewhat active for a summer month, with influences from tropical systems driving enhanced precipitation opportunities, as well. August recap: Ninth-wettest and ninth-hottest on record in Washington 2021-09-01T04:00:00Z A disturbance embedded along the southward diving jet stream will cause areas of heavy snow to develop in the central and northern Rockies. Big storm bringing worst of every season to much of western U.S. 2021-10-12T04:00:00Z A trough, or a dip in the jet stream, is moving through the region and bringing gusty winds from the southwest and very dry air. Devastating Caldor Fire continues to burn toward Lake Tahoe, forcing thousands to evacuate 2021-08-31T04:00:00Z On Wednesday night, Ida’s upper-level low and a dip in the jet stream over the Great Lakes will begin to merge. Ida’s remnants will affect the D.C. area Wednesday: What you need to know 2021-08-30T04:00:00Z The effect of climate change on the jet stream is a hot topic among scientists. Storm-Steering Jet Stream Could Shift Poleward in 40 Years 2021-09-21T04:00:00Z The rain and melting last Saturday occurred when the jet stream, rather than flowing in its normal pattern from west to east, dipped southward over northeastern Canada. It Rained at the Summit of Greenland. That’s Never Happened Before. 2021-08-20T04:00:00Z When a storm distorts the jet stream, which is made of currents of fast-flowing air, it is a bit like yanking a long skipping rope at one end and seeing the ripples transferring along it. Extreme weather: How it is connected to climate change? 2021-08-09T04:00:00Z The cooler weather was a consequence of oscillations in the jet stream. The Greenland ice sheet experienced massive melting in heat wave last week 2021-08-05T04:00:00Z Additionally, an embedded region of fast flow in the jet stream — called a jet streak — will extend from New England into the northern Mid-Atlantic. Ida’s remnants will affect the D.C. area Wednesday: What you need to know 2021-08-30T04:00:00Z Many scientists believe rising air temperatures can affect the jet stream’s flow. Storm-Steering Jet Stream Could Shift Poleward in 40 Years 2021-09-21T04:00:00Z That will shunt the jet stream northward, steering mid-latitude storm systems up into Canada. Next week could be the summer’s hottest in Washington 2021-08-04T04:00:00Z One theory is higher temperatures in the Arctic are causing the jet stream to slow down, increasing the likelihood of heat domes. Extreme weather: How it is connected to climate change? 2021-08-09T04:00:00Z The jet stream is a core of strong winds travelling west to east about five to seven miles above the Earth. UK already undergoing disruptive climate change 2021-07-28T04:00:00Z One area of mystery is how the Earth's four main jet streams respond to shifting temperatures. Extreme weather renews focus on climate change as scientists update forecasts 2021-07-26T04:00:00Z Some experts believe these shifts may alter the jet stream. Storm-Steering Jet Stream Could Shift Poleward in 40 Years 2021-09-21T04:00:00Z Among other things, it is weakening the jet stream and causing weather patterns, like the recent heat dome that sat over the Pacific Northwest, to remain stuck in place for days. Opinion | America in 2090: The Impact of Extreme Heat, in Maps 2021-07-21T04:00:00Z In between there and the heat dome, a corridor of thunderstorm activity may crop up; the jet stream pattern would favor strong winds. Coast-to-coast heat dome to deliver sweltering weather next week (but not here) 2021-07-22T04:00:00Z But now, with heat domes intensifying the summer and the jet stream shifting to deliver greater temperature extremes, the Pacific Northwest’s self-image is threatened. In Seattle and America’s other least air-conditioned cities, brutal heat changes some people’s minds 2021-07-22T04:00:00Z The jet streams are fast-flowing air currents that circle the globe -- near the poles and the tropics -- driving many weather patterns. Extreme weather renews focus on climate change as scientists update forecasts 2021-07-26T04:00:00Z But not everyone agrees on exactly how the jet stream might change — or whether climate change has had any noticeable effect on it yet. Storm-Steering Jet Stream Could Shift Poleward in 40 Years 2021-09-21T04:00:00Z For much of the day, an atmospheric current of wildfire residue, borne here over an undulating route by the jet stream, transformed the look of our skies. Haze from western fires persists in Washington on a hot July day 2021-07-20T04:00:00Z Yet as Europe warms — with Scandinavia currently experiencing an unusual heat wave — the jet stream is weakened, causing its meandering course to stop, sometimes for days, Thiery said. Experts: Europe floods shows need to curb emissions, adapt 2021-07-16T04:00:00Z Michael E. Mann, a climate scientist at Penn State University, has studied the effects of a different summertime jet stream phenomenon known as “wave resonance” in locking weather systems in place. ‘It Is All Connected’: Extreme Weather in the Age of Climate Change 2021-07-16T04:00:00Z The June jet stream pattern for the eastern U.S. was complicated as it flanked two large high-pressure centers or heat domes over the western U.S. and western Atlantic Ocean. June was a mix of muggy and magnificent in Washington 2021-07-02T04:00:00Z The jet stream tends to move around a lot as it is, shifting north and south and wiggling up and down as it moves around the globe. Storm-Steering Jet Stream Could Shift Poleward in 40 Years 2021-09-21T04:00:00Z A slight dip in the jet stream over the western Great Lakes would set up a pathway for occasional thunderstorm complexes to roll eastward. July outlook: D.C.'s hottest month to play the part 2021-06-30T04:00:00Z That kinks the jet stream northward and suppresses rain chances, allowing heat to become established while diverting cooling clouds, fronts and disturbances. Record heat bakes Middle East as temperatures climb above 125 degrees 2021-06-07T04:00:00Z “It’s never in isolation when it comes to an odd configuration of the jet stream,” Dr. Francis said. ‘It Is All Connected’: Extreme Weather in the Age of Climate Change 2021-07-16T04:00:00Z “The jet stream is more unpredictable than it used to be,” she said. Spearfish native journeys into polar regions for research 2021-04-19T04:00:00Z Osman and his colleagues set out to trace the jet stream’s position through history, looking back thousands of years into the past. Storm-Steering Jet Stream Could Shift Poleward in 40 Years 2021-09-21T04:00:00Z The patterns can move the jet stream and alter storm tracks, so a La Niña can affect temperature and precipitation in distant locations, including Western states, according to the National Oceanic and Atmospheric Administration. Drought could leave Wyoming ranchers with tough choices 2021-04-17T04:00:00Z This way it better characterizes the jet stream, which transports storms, they said. US weather model upgraded to better forecast extreme events 2021-03-22T04:00:00Z The primary role of La Niña in boosting tornado counts across the southern United States stems from its influence on the jet stream. Busy tornado season projected across the southern U.S. this spring 2021-02-25T05:00:00Z It usually happens during La Niña winters when the area sits between the polar jet and subtropical jet streams, along which storms track. Analysis | A near-record number of days with snow, with little to show 2021-02-23T05:00:00Z And because the jet stream has such a strong effect on regional weather and climate patterns, scientists can use this information to map out the flow of the jet stream through history. Storm-Steering Jet Stream Could Shift Poleward in 40 Years 2021-09-21T04:00:00Z It’s a high amplitude pattern, meaning the jet stream is extra wavy. Beijing soars to 78 degrees, its warmest winter temperature on record 2021-02-22T05:00:00Z Even the polar vortex this winter, which was exceptionally strong, typifies what Patzert calls “a lazy or meandering jet stream.” 'Mega-miracle' will be needed to overcome dry February in Los Angeles 2021-02-20T05:00:00Z During La Niña seasons, the polar jet stream is shunted farther south over the central United States, bringing more disturbances and more wind shear. Busy tornado season projected across the southern U.S. this spring 2021-02-25T05:00:00Z Some research indicates that Arctic warming is weakening the jet stream, the high-level air current that circles the northern latitudes and usually holds back the frigid polar vortex. A Glimpse of America’s Future: Climate Change Means Trouble for Power Grids 2021-02-16T05:00:00Z They found that the position of the jet stream — how far north or south it travels — tends to move around a lot. Storm-Steering Jet Stream Could Shift Poleward in 40 Years 2021-09-21T04:00:00Z That same jet stream screamed north over Europe, with the resulting ridging of high pressure to its south introducing atypical mildness. Beijing soars to 78 degrees, its warmest winter temperature on record 2021-02-22T05:00:00Z The good news: A warming trend is forecast as the jet stream resumes a more familiar course. Opinion | This Texas weather is a chilling reminder about our battered power grid 2021-02-16T05:00:00Z The jet stream, which is a river of swiftly moving winds in the upper atmosphere, meanders south in the wintertime and north in the summer. Busy tornado season projected across the southern U.S. this spring 2021-02-25T05:00:00Z There is research suggesting that Arctic warming is weakening the jet stream, the high-level air current that circles the northern latitudes and usually holds back the frigid polar vortex. Icy Storm Barrels Across Central U.S., Leaving Millions Without Power 2021-02-15T05:00:00Z The researchers used climate models to simulate the jet stream in a hotter world. Storm-Steering Jet Stream Could Shift Poleward in 40 Years 2021-09-21T04:00:00Z In the lowest layer of the atmosphere, the troposphere—where weather occurs—there spins a polar vortex that circles the globe year round, a jet stream that’s also sometimes referred to as the circumpolar vortex. The polar vortex is coming—and raising the odds for intense winter weather 2021-01-11T05:00:00Z These blocks tend to slow down the jet stream, a river of air that steers weather systems along. The polar vortex is splitting in two, which may lead to weeks of wild winter weather 2021-01-05T05:00:00Z The jet stream also induces wind shear, or a change of wind speed and/or direction with height. Busy tornado season projected across the southern U.S. this spring 2021-02-25T05:00:00Z The balloon also got caught in a jet stream. School’s weather balloon captures stunning footage of Earth 2020-12-26T05:00:00Z If the planet continues warming at a high rate, the jet stream is likely to shift north over time. Storm-Steering Jet Stream Could Shift Poleward in 40 Years 2021-09-21T04:00:00Z The warm air in the lower atmosphere, as well as cooler air, block the straight-flowing winds of the jet stream, like atmospheric bumper cars. The polar vortex is coming—and raising the odds for intense winter weather 2021-01-11T05:00:00Z When blocking develops, the jet stream, driven by the temperature contrast between the equator and pole, slows in response to unusually mild conditions that evolve over the Arctic, especially eastern Canada. The polar vortex is splitting in two, which may lead to weeks of wild winter weather 2021-01-05T05:00:00Z The Pacific jet stream, meanwhile, lifts farther north — allowing warm, moist air to overspread much of the United States and set the stage for storms. Busy tornado season projected across the southern U.S. this spring 2021-02-25T05:00:00Z Large atmospheric systems like the jet stream help influence local weather patterns as they flow around the Earth. Wildfires Blast Smoke Corkscrews to the Top of the Atmosphere 2020-12-14T05:00:00Z The jet stream helps carry rainfall systems to southern Europe, which would otherwise be relatively dry. Storm-Steering Jet Stream Could Shift Poleward in 40 Years 2021-09-21T04:00:00Z These winds, researchers now report, were in turn triggered by a meandering jet stream that circles the planet farther north. ‘Godzilla’ dust storm traced to shaky northern jet stream 2020-12-07T05:00:00Z That flow was supported by a low-level jet stream, Boyd explained. What are foehn winds? Fires in the Eastern Sierra were fueled by Santa Ana-like gusting 2020-11-25T05:00:00Z Prevalent storm tracks along the northern branch of the jet stream typically cut to our west and/or redevelop as coastal storms to our north, and we are left either warm and rainy, or dry. Washington’s winter will be a wild ride with more snow than last year and big swings 2020-11-18T05:00:00Z The presence of chilly air aloft allowed surface air to rise, while jet stream winds provided the necessary dynamics to sculpt thunderstorms into rotating cells. ‘Gargantuan’ hail, nearly 7 inches across, struck Libya, a desert nation 2020-11-04T05:00:00Z If the jet stream shifts north, it could take that rainfall with it, increasing the odds of drought. Storm-Steering Jet Stream Could Shift Poleward in 40 Years 2021-09-21T04:00:00Z There it encountered the westbound African jet stream, which was also strengthened by the high-pressure system. ‘Godzilla’ dust storm traced to shaky northern jet stream 2020-12-07T05:00:00Z When low-pressure areas riding along the jet stream land in Colorado, high-pressure zones build in quickly to their north and west over northern Nevada and Utah, a region known as the Great Basin. California faces highest fire risk of 2020 with 70-plus mph winds, record dry conditions 2020-10-25T04:00:00Z If these warm waters persist, Tolleris expects a zone of high pressure to build over the Western United States, which would cause the jet stream to dive south in the East. Forecasters call for at least 10 times as much snow in Washington this winter compared to last 2020-10-21T04:00:00Z “It looks like a dramatic dip in the jet stream pattern,” said climatologist Bill Patzert. Will a former hurricane provide the 'great wet hope' for the West Coast? 2020-10-02T04:00:00Z In North America, a northward-shifting jet stream may amplify warming on the East Coast and increase the severity of certain extreme weather events. Storm-Steering Jet Stream Could Shift Poleward in 40 Years 2021-09-21T04:00:00Z It’s not clear why the jet stream wavered and set off this so-called wave train of weather systems, Francis says. ‘Godzilla’ dust storm traced to shaky northern jet stream 2020-12-07T05:00:00Z This high-pressure zone forced the jet stream to dip over the eastern United States ushering in pools of chilly Canadian air to it. Washington had its coolest September in 11 years, shutting down summer early 2020-10-01T04:00:00Z The chilly weather is the result of a steep dip in the jet stream, which is more common a bit deeper into the fall. Washington is experiencing some of its coolest September weather in decades 2020-09-21T04:00:00Z The movement of the jet stream should push high pressure over the Great Basin farther east. Will a former hurricane provide the 'great wet hope' for the West Coast? 2020-10-02T04:00:00Z Under a more moderate warming scenario — one that’s more in line with current global climate action — the jet stream is likely to shift north over time, but probably at a slower pace, Osman suggested. Storm-Steering Jet Stream Could Shift Poleward in 40 Years 2021-09-21T04:00:00Z Because the Arctic is warming faster than the rest of the world, a reduction in temperature differences between the far north and mid-latitudes may be making the jet stream less stable, Francis says. ‘Godzilla’ dust storm traced to shaky northern jet stream 2020-12-07T05:00:00Z The rapid weather regime transition is related to a change in the jet stream pattern. We declare summer’s end and autumn’s sudden arrival 2020-09-18T04:00:00Z Then on Sept. 7, sudden and highly unusual winds — driven by a shift in the jet stream — propelled flames through the drought-parched Willamette National Forest toward the historic retreat. Deep in Oregon wilderness, five men battle wildfire to save a historic resort 2020-09-18T04:00:00Z The shift in the jet stream provides a glimmer of hope for the West Coast. Will a former hurricane provide the 'great wet hope' for the West Coast? 2020-10-02T04:00:00Z The overall position of the jet stream isn’t the only subject of interest among climate scientists. Storm-Steering Jet Stream Could Shift Poleward in 40 Years 2021-09-21T04:00:00Z Satellite images showed the smoke being carried to the East Coast by the jet stream - a narrow zone of high-speed winds - across the Mid-Atlantic. Smoke from US wildfires spreads across country 2020-09-16T04:00:00Z In 2019, the jet stream held in more of a summer configuration throughout the month and even into early October, remaining well north of Washington. We declare summer’s end and autumn’s sudden arrival 2020-09-18T04:00:00Z This leads to a slowing of the jet stream, which affects other circulation patterns in the tropics but also in mid-latitude areas like North America. Why Hurricane Sally Could Bring a Deluge 2020-09-15T04:00:00Z In its study of the physics of the dense cloud layers of Venus, the mission has revealed disturbances in the planet’s winds known as gravity waves, as well as equatorial jet streams in its atmosphere. Missions to Venus: Highlights From History, and When We May Go Back 2020-09-14T04:00:00Z Some experts believe climate change may also make the jet stream “wavier,” causing it to meander up and down more strongly as it flows around the world. Storm-Steering Jet Stream Could Shift Poleward in 40 Years 2021-09-21T04:00:00Z The weirdness began on Monday when swings in the jet stream sent temperatures in Colorado plummeting more than 55 degrees overnight and produced a rare summer snowstorm. Climate change brings Santa Ana-like winds and explosive wildfires to Oregon 2020-09-10T04:00:00Z The jet stream that steers daily weather shifts a bit in the winter. Q&A: La Nina may bring more Atlantic storms, western drought 2020-09-10T04:00:00Z Arctic warming is leading to other changes in the jet stream, Dr. Mann wrote, that are affecting weather to the south, including hurricanes. Why Hurricane Sally Could Bring a Deluge 2020-09-15T04:00:00Z The shift to north-flowing air occurs when a region of high-pressure air, a result of changes in the jet stream, lingers over Greenland. Loss of Greenland Ice Sheet Reached a Record Last Year 2020-08-20T04:00:00Z Waves in the jet stream can also make extreme weather events worse, sometimes causing storm systems or heat waves to move more slowly or get stuck in place. Storm-Steering Jet Stream Could Shift Poleward in 40 Years 2021-09-21T04:00:00Z Studies show that the shift in the jet stream and the Santa Ana-type winds are consistent with climate change, he said. Climate change brings Santa Ana-like winds and explosive wildfires to Oregon 2020-09-10T04:00:00Z Both last year and 2012 were marked by "blocking" events, the researchers say, where disturbances in the jet stream saw high pressure systems become stuck over Greenland, resulting in enhanced melting. 'Extreme' ice loss as Greenland smashes record 2020-08-20T04:00:00Z From spring through fall, he said, there is a greater tendency for large southward dips or other meanders in the jet stream to stay in place for days. Why Hurricane Sally Could Bring a Deluge 2020-09-15T04:00:00Z The jet stream’s position in June and July fed dry westerly flow across Southern California and into the Southwest, keeping tropical moisture to the south and east. Drought continues to expand as the monsoon in the Southwest has been largely a no-show 2020-08-08T04:00:00Z At the same time, the jet stream’s position and its waviness could be related. Storm-Steering Jet Stream Could Shift Poleward in 40 Years 2021-09-21T04:00:00Z Another factor contributing to these “advance” or predecessor rains is an approaching dip in the jet stream or “trough,” as shown below. Tropical storm warning for D.C. and Baltimore as Isaias to unleash very heavy rain, strong winds 2020-08-03T04:00:00Z "The link between the Arctic and UK weather is through the jet stream," said Prof Stott, referring to the ribbon of fast-moving air high up in the atmosphere. Siberian heatwave 'clear evidence' of climate change 2020-07-15T04:00:00Z Key changes in the jet stream pattern will send summer heat first to the nation’s midsection before extending to the East Coast at times in the weeks ahead. June recap: It was slightly hotter and drier than normal in Washington 2020-07-01T04:00:00Z That emerging feature is correlated with a reduction in high-altitude winds that tend to slow the jet stream down. July outlook: Summer’s sweatiest month to be even hotter than normal in D.C. 2020-06-30T04:00:00Z According to James Screen, a climate scientist at the University of Exeter, some experts believe that a northward shift could result in a stronger, less wavy jet stream. Storm-Steering Jet Stream Could Shift Poleward in 40 Years 2021-09-21T04:00:00Z In addition, the deposition patterns showed some influence of the jet stream. Plastic dust is blowing into U.S. national parks—more than 1000 tons each year 2020-06-11T04:00:00Z The jet stream helps move weather systems around the globe. Siberian heatwave 'clear evidence' of climate change 2020-07-15T04:00:00Z Some of them believe the rapid man-made heating of the Arctic, which has led to record temperatures and wildfires in Siberia, may be influencing the jet stream, although that is not proven. UK record rain to extreme dry astounds Met Office 2020-06-01T04:00:00Z Explaining the prolonged sunny weather, he said the jet stream - strong winds driving much of the UK's variable weather - was largely anchored to the north of the UK during spring. UK sees sunniest spring on record 2020-05-29T04:00:00Z If the jet stream does indeed shift north in the coming decades, less waviness might be expected, he said. Storm-Steering Jet Stream Could Shift Poleward in 40 Years 2021-09-21T04:00:00Z Thousands of feet above the Earth's surface, very strong winds called the "jet stream" move weather systems and air masses around the globe. What is a cutoff low? Why these stalled systems can create hazardous situations 2020-05-20T04:00:00Z Such areas include the jet stream level above the Pacific Ocean and the data-sparse region between Africa and Australia, along with the area above the North Atlantic. The coronavirus pandemic and loss of aircraft data are taking a toll on weather forecasting 2020-05-12T04:00:00Z The Met Office says this year is not an indicator of the future, because the jet stream might behave differently. UK record rain to extreme dry astounds Met Office 2020-06-01T04:00:00Z At its southern edge, the contrast between this low pressure zone and the higher pressure air masses surrounding it intensifies a fast flowing, west-to-east current of air known as the polar jet stream. How a record-strong Arctic weather pattern aided a troubled Arctic research expedition 2020-04-29T04:00:00Z Some studies suggest that the jet stream is already getting wavier over time. Storm-Steering Jet Stream Could Shift Poleward in 40 Years 2021-09-21T04:00:00Z Areas of low pressure, otherwise known as storm systems, usually move from West to East along the jet stream. What is a cutoff low? Why these stalled systems can create hazardous situations 2020-05-20T04:00:00Z “It’s going to be a pretty good dip in the jet stream.” Polar vortex could bring rare May snow, low temps to US East 2020-05-08T04:00:00Z It is because the jet stream has locked the fine weather in place, just as it locked the previous winter rainfall in place. UK record rain to extreme dry astounds Met Office 2020-06-01T04:00:00Z The strong winds favored high-pressure zones in the Gulf of Alaska and around Greenland, resulting in a flow configuration directing a dip in the jet stream and cool weather into eastern North America. Chilly April ranked among the top 10 wettest on record in D.C. 2020-05-01T04:00:00Z Jennifer Francis, a climate scientist at Woodwell Climate Research Center, has devoted much of her recent career to the study of Arctic warming and large air currents like the jet stream. Storm-Steering Jet Stream Could Shift Poleward in 40 Years 2021-09-21T04:00:00Z However, sometimes they become cut off from the jet stream. What is a cutoff low? Why these stalled systems can create hazardous situations 2020-05-20T04:00:00Z Multiple forecast models are consistent in predicting the jet stream dip that will keep cool air flowing into the region from the north. May outlook: Cooler-than-normal and wet conditions are likely to continue 2020-04-30T04:00:00Z Higher in the atmosphere, the jet stream may lend upper-level support. First heat wave of 2020 will arrive in Southern California this week 2020-04-21T04:00:00Z Weather disturbances riding along this jet stream brought frequent showers. Chilly April ranked among the top 10 wettest on record in D.C. 2020-05-01T04:00:00Z Certain effects of climate change on the atmosphere may be pushing the jet stream north, while others might be pulling it south. Storm-Steering Jet Stream Could Shift Poleward in 40 Years 2021-09-21T04:00:00Z “The waves stir the white paint, higher amounts of ozone in the mid-latitudes, with the red paint or low ozone contained by the strong jet stream circling around the pole.” NASA says ozone depletion above Arctic hits 'record low' 2020-04-17T04:00:00Z The predicted upper-level jet stream pattern is in a favorable configuration for a cool first half of May. May outlook: Cooler-than-normal and wet conditions are likely to continue 2020-04-30T04:00:00Z Cooler sea-surface temperatures — what is commonly called La Niña — affect the jet stream, which pushes storms approaching Western North America to the north, leaving the Southwest drier. Southwest Drought Rivals Those of Centuries Ago, Thanks to Climate Change 2020-04-16T04:00:00Z The polar jet stream adjusted to the north, and the contiguous United States had its sixth-warmest winter on record. Among the 'climate monsters' that afflict California, Megadrought is the most reliable 2020-04-16T04:00:00Z Other experts aren’t convinced that Arctic warming is affecting the waviness of the jet stream at all — at least, not for the time being. Storm-Steering Jet Stream Could Shift Poleward in 40 Years 2021-09-21T04:00:00Z Persistent weather conditions in the North Atlantic are sometimes a side effect of shifts in the movement of the jet stream, a fast-flowing current of air looping the Northern Hemisphere. Persistent Cloudless Skies Helped Fuel Exceptional Greenland Ice Melt 2020-04-16T04:00:00Z These conditions were due to wobbles in the fast moving jet stream air current that also trapped heat over Europe. Blue skies pushed Greenland 'into the red' 2020-04-15T04:00:00Z The power of its thunderstorms raging at an altitude of 40,000 feet begins to tamper with the jet stream over the North Pacific. A Climate Fluctuation That Could Improve Forecasts Remains a Mystery 2020-03-31T04:00:00Z Although this wasn’t an El Niño year, the subtropical jet stream behaved more like an El Niño, feeding moisture into the U.S. Among the 'climate monsters' that afflict California, Megadrought is the most reliable 2020-04-16T04:00:00Z Screen, the University of Exeter scientist, has published research suggesting that any recent changes in the jet stream’s waviness are probably natural fluctuations rather than direct consequences of Arctic warming. Storm-Steering Jet Stream Could Shift Poleward in 40 Years 2021-09-21T04:00:00Z Some experts believe that rapid warming in the Arctic is causing the jet stream to become wavier over time. Persistent Cloudless Skies Helped Fuel Exceptional Greenland Ice Melt 2020-04-16T04:00:00Z Current climate models don't include the impact of the wandering jet stream say the authors, and may be underestimating the impact of warming. Blue skies pushed Greenland 'into the red' 2020-04-15T04:00:00Z That is just the beginning of the MJO’s jet stream manipulations. A Climate Fluctuation That Could Improve Forecasts Remains a Mystery 2020-03-31T04:00:00Z The shift of the polar jet stream to the north this winter meant fewer Pacific storms slamming into Northern California and a skimpy snowpack in the Sierra. Among the 'climate monsters' that afflict California, Megadrought is the most reliable 2020-04-16T04:00:00Z The jet stream tends to remain farther north than usual in this scenario, with warmer air to the south. If a warm U.S. winter was 'a preview of global warming,’ what part did a polar vortex play? 2020-03-28T04:00:00Z Since about the year 2000, there’s been a pause in the shifting of the jet stream and the other changes caused by the declining ozone. Shrinking Ozone Hole, Climate Change Are Causing Atmospheric “Tug of War” 2020-03-26T04:00:00Z They believe this is connected to what's termed the "waviness" in the jet stream, the giant current of air that mostly flows from west to east around the globe. Blue skies pushed Greenland 'into the red' 2020-04-15T04:00:00Z The healing ozone layer above Antarctica is shifting wind patterns around the globe — most notably, pausing the movement toward the pole of the summertime jet stream in the Southern Hemisphere. Daily briefing: Cruise ship coronavirus outbreak gave scientists ‘an ideal experiment’ 2020-03-25T04:00:00Z International cooperation on ozone-depleting chemicals is helping to return the southern jet stream to a normal state after decades of human-caused disruption, a study shows. Global efforts on ozone help reverse southern jet stream damage 2020-03-25T04:00:00Z The jet stream and this cold bowl are in the troposphere, the lowest, densest layer of the atmosphere — roughly the first 6 to 12 miles above the Earth’s surface — where nearly all the weather happens. If a warm U.S. winter was 'a preview of global warming,’ what part did a polar vortex play? 2020-03-28T04:00:00Z The exact mechanisms are a little different, but climate change seems to encourage a poleward shift of the jet stream and an expansion of the tropics. Shrinking Ozone Hole, Climate Change Are Causing Atmospheric “Tug of War” 2020-03-26T04:00:00Z The exact mechanism by which climate change affects the jet stream isn't understood. Blue skies pushed Greenland 'into the red' 2020-04-15T04:00:00Z Satellite observations and climate simulations reveal that the jet stream shifted from about 49° S to 51° S between 1980 and 2000. Daily briefing: Cruise ship coronavirus outbreak gave scientists ‘an ideal experiment’ 2020-03-25T04:00:00Z They found that only simulations that accounted for changes in ODS levels and associated changes in ozone concentration reproduced both the poleward shift of the jet streams during the depletion period and the subsequent pause. International regulations have paused a jet-stream shift in the Southern Hemisphere 2020-03-24T04:00:00Z There’s also a polar vortex in the stratosphere, the next higher level of the atmosphere, which is also edged by another, higher-altitude jet stream. If a warm U.S. winter was 'a preview of global warming,’ what part did a polar vortex play? 2020-03-28T04:00:00Z “We expect that by about midcentury ... when the ozone hole is near to fully recovered, the jet stream will start to move poleward again, just because CO2 is continuing to increase,” she added. Shrinking Ozone Hole, Climate Change Are Causing Atmospheric “Tug of War” 2020-03-26T04:00:00Z The system is fueled by a strong, upper-level jet stream moving through southwest California and providing instability. Storm will bring rain and mountain snow to the Southland on Sunday 2020-03-21T04:00:00Z As a consequence, the jet stream that pushes weather systems across the hemisphere flowed fast and straight from west to east — a situation that traditionally produces mild weather. Even fake snow failed in a record-warm winter linked to the polar vortex and climate change 2020-03-05T05:00:00Z Such emissions increases might therefore dominate future tropospheric-circulation changes, and push the jet stream back towards the pole. International regulations have paused a jet-stream shift in the Southern Hemisphere 2020-03-24T04:00:00Z Like the polar jet, the subtropical jet stream shifted farther north this year — into northern Mexico, north-central Texas and the northern portions of the Southeastern U.S., If a warm U.S. winter was 'a preview of global warming,’ what part did a polar vortex play? 2020-03-28T04:00:00Z Once the block was established, the split jet stream seemed to shear later weather systems apart. Why does the weather stall? New theories explain enigmatic ‘blocks’ in the jet stream 2020-03-05T05:00:00Z Forecast models agree on a relatively warm March for the eastern United States, but the jet stream pattern they simulate does not present a match of the most abnormally warm March cases from the past. March outlook: We expect it to be warmer than normal and probably snowless 2020-02-28T05:00:00Z It is not yet known whether this strong, persistent jet stream will become more commonplace as the world heats up, Haustein said. Even fake snow failed in a record-warm winter linked to the polar vortex and climate change 2020-03-05T05:00:00Z The study suggests the movement of gyres may already be linked to recent observed changes in the movement of hurricanes and the behavior of major atmospheric currents, like the jet streams. The Ocean’s Swirling Currents Are Migrating Poleward 2020-02-28T05:00:00Z The edge of that bowl is defined by the jet stream, kind of like salt on the rim of a margarita glass. If a warm U.S. winter was 'a preview of global warming,’ what part did a polar vortex play? 2020-03-28T04:00:00Z Warming is expected to push the polar jet stream in the Northern Hemisphere farther north. Why does the weather stall? New theories explain enigmatic ‘blocks’ in the jet stream 2020-03-05T05:00:00Z The storms are likely to be triggered by a large dip in the jet stream that will be approaching from our west. Severe weather threat eyes Mid-Atlantic on Wednesday evening 2020-02-25T05:00:00Z Across the Atlantic, warm air and a powerful jet stream combined to brew successive deadly storms over the United Kingdom. Even fake snow failed in a record-warm winter linked to the polar vortex and climate change 2020-03-05T05:00:00Z Meanwhile, the energized polar jet stream is diverted far to the north, where it’s far removed from the key zones for severe weather. Experts predict near to above average tornado activity this spring 2020-02-17T05:00:00Z The polar jet stream consists of strong, upper-level winds in the mid-latitudes that blow from west to east around the globe. If a warm U.S. winter was 'a preview of global warming,’ what part did a polar vortex play? 2020-03-28T04:00:00Z Friday marked the date of the climatological peak for bomb cyclones in the North Atlantic, given the typical intensity of the jet stream and intense air mass differences that tend to move over moisture-rich waters. Dennis, one of the Atlantic’s most powerful bomb cyclones, churns up 100-foot waves and slams Britain 2020-02-15T05:00:00Z The storm developed over the Atlantic Ocean “in interaction with a strong” jet stream, which consisted of winds running at about 249 miles per hour. Storm Ciara, or Sabine, Leaves 5 Dead in Europe 2020-02-10T05:00:00Z One trip was made easier by Storm Ciara, however: a British Airways flight made the fastest subsonic New York to London flight as it rode a jet stream accelerated by the storm. In a hurry? Here's what you need to know this morning 2020-02-10T05:00:00Z The jet stream is a swift current of rapidly-moving air in the upper atmosphere. Experts predict near to above average tornado activity this spring 2020-02-17T05:00:00Z As the jet stream spins around the rim of this bowl, it confines the frigid air to the Arctic. If a warm U.S. winter was 'a preview of global warming,’ what part did a polar vortex play? 2020-03-28T04:00:00Z “In the winter, the jet stream dips down a bit,” he said. British Airways flight crosses Atlantic in less than 5 hours 2020-02-09T05:00:00Z Sparked by a strong disturbance in the northern branch of the jet stream, such events often miss Washington and slam New England. Ten years later, the enormity of Snowmageddon is still difficult to comprehend 2020-02-04T05:00:00Z January will continue to be dry in Southern California as the jet stream settles into a stable or zonal pattern, which means it flows more directly from west to east with little fluctuation. January will end on a dry note in Southern California as the jet stream locks into a zonal pattern 2020-01-25T05:00:00Z The warm pool could influence the position and strength of the jet stream enough to shape the Lower 48’s severe weather season. Experts predict near to above average tornado activity this spring 2020-02-17T05:00:00Z Another way to look at it is viewing the upper-level low and the moisture plume, which is usually congruent with the subtropical jet stream, working together. If a warm U.S. winter was 'a preview of global warming,’ what part did a polar vortex play? 2020-03-28T04:00:00Z Forecast maps show the jet stream feeding into Central California on Thursday morning, and rain is predicted to arrive in Southern California Thursday afternoon. After Thursday rain, SoCal is expected to return to dry weather 2020-01-15T05:00:00Z In Greenland, climate-driven changes in the behavior of large air currents like the jet stream may be helping to drive more surface melting. These Are the Biggest Climate Questions for the New Decade 2020-01-04T05:00:00Z A wavy or undulating jet stream is the pattern that brings storms from the north Pacific into California. January will end on a dry note in Southern California as the jet stream locks into a zonal pattern 2020-01-25T05:00:00Z “The positioning of the jet stream across the U.S. is vital for springtime severe weather frequency,” said Gensini. Experts predict near to above average tornado activity this spring 2020-02-17T05:00:00Z If the strong, stable polar vortex with the shifting jet streams are a foretaste of things to come with climate change, it doesn’t paint a promising picture. If a warm U.S. winter was 'a preview of global warming,’ what part did a polar vortex play? 2020-03-28T04:00:00Z The image above shows swirling clouds that surround a circular feature within a jet stream region on Jupiter. The best space images of 2019 2019-12-29T05:00:00Z Unfortunately, extreme jet stream patterns like those of 2018 may be getting more common and more extreme, representing a significant danger to global food security. Newly Identified Jet-Stream Pattern Could Imperil Global Food Supplies 2019-12-14T05:00:00Z “When the winter jet stream calms down, Southern California stays dry,” says Bill Patzert, former climatologist at NASA’s Jet Propulsion Laboratory. January will end on a dry note in Southern California as the jet stream locks into a zonal pattern 2020-01-25T05:00:00Z As winds near the ground generally don’t approach speeds of that magnitude, there’s a significant change of wind speed with height in the vicinity of the jet stream generating wind shear. Experts predict near to above average tornado activity this spring 2020-02-17T05:00:00Z With such a shift, there will be fewer cold storms that arrive on a polar jet stream from the Gulf of Alaska. If a warm U.S. winter was 'a preview of global warming,’ what part did a polar vortex play? 2020-03-28T04:00:00Z Because this temperature difference helps power the jet stream, Francis and others argue that the jet stream is slowing down and increasing the frequency of high-amplitude dips, or troughs, as well as ridges. With climate change, Washington may have entered era of more blockbuster snowstorms but less snow overall 2019-11-26T05:00:00Z Dr. Mann predicted that our future climate is likely to bring a significant increase in stuck summertime jet stream patterns capable of bringing a rise in extreme destructive weather events like we experienced in 2018. Newly Identified Jet-Stream Pattern Could Imperil Global Food Supplies 2019-12-14T05:00:00Z When the jet stream is unstable, it meanders from north to south and back again. January will end on a dry note in Southern California as the jet stream locks into a zonal pattern 2020-01-25T05:00:00Z Disturbances embedded within the jet can trigger bouts of severe weather, since jet stream meanderings usually carry cold air aloft. Experts predict near to above average tornado activity this spring 2020-02-17T05:00:00Z Such a strong AO means the polar jet stream stays farther to the north, and it is “tight, not wavy,” as climatologist Bill Patzert describes it. If a warm U.S. winter was 'a preview of global warming,’ what part did a polar vortex play? 2020-03-28T04:00:00Z An active subtropical jet stream is indicated by storm systems hitting the California coast and traversing across the southern half of the United States. Washington, D.C., winter outlook: Near-average snowfall with somewhat milder-than-normal temperatures 2019-11-12T05:00:00Z Even if stuck jet stream patterns do not increase in frequency, heat waves and their associated droughts are virtually certain to grow more intense in a warming climate. Newly Identified Jet-Stream Pattern Could Imperil Global Food Supplies 2019-12-14T05:00:00Z During the first week of February 2010, an enormous amount of tropical moisture moved north across Mexico with the southern jet stream. Looking back at Washington’s top 10 snowstorms 2019-11-15T05:00:00Z And when the jet stream is nearby, there’s usually plenty of wind shear present. Experts predict near to above average tornado activity this spring 2020-02-17T05:00:00Z Farther to the south, the subtropical jet stream works hand in hand with the polar jet. If a warm U.S. winter was 'a preview of global warming,’ what part did a polar vortex play? 2020-03-28T04:00:00Z The storm, driven by a strong jet stream, was expected to continue through Tuesday night and into Wednesday. Thanksgiving Weather: Canceled Flights, Snow and a ‘Bomb Cyclone’ 2019-11-26T05:00:00Z This behavior will bring a significant threat to global food security when a stuck jet stream brings intense long-lasting drought conditions to multiple grain-producing regions. Newly Identified Jet-Stream Pattern Could Imperil Global Food Supplies 2019-12-14T05:00:00Z Moisture from the southern jet stream, earlier in the week, brought flooding rains to Southern California and Las Vegas. Looking back at Washington’s top 10 snowstorms 2019-11-15T05:00:00Z Knowing a bit about the status of El Niño or La Niña generally offers insight as to how the jet stream will behave. Experts predict near to above average tornado activity this spring 2020-02-17T05:00:00Z As this happens, strong winds from the north and northeast will kick up in Northern California as a result of the position of the low and the jet stream’s powerful support aloft. Northern California braces for fire weather as Southland expects rain 2019-11-19T05:00:00Z The jet stream — strong high-altitude air currents — was discovered in the 1920s. From sci-fi reality to sound, jet stream to light speed: Books in brief 2019-11-05T05:00:00Z The same jet stream, if it shifted about 500 miles to the west, would bring California winter rainstorms from the Gulf of Alaska. Why Santa Ana winds later this week may be the strongest of the season thus far 2019-10-28T04:00:00Z Down the road, Hagibis will become extratropical sometime Monday into Tuesday, its energy becoming absorbed into/intensifying a wave in the jet stream. Super Typhoon Hagibis, packing winds up to 150 mph, may afflict Tokyo 2019-10-10T04:00:00Z |
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