The national weather service has extended the tornado watch to the tri-county area.

国家气象局把龙卷风预警范围扩大至三个县级地区。

The national weather service says snow fall could reach 3 feet in some places.

国家气象局表示称，部分地区降雪或达3英尺。

But the national weather service's message in Amarilo of Texas yesterday was pretty clear.

但昨天在美国德州阿玛罗国家气象局的消息非常清楚。

The national weather service says several inches of snow could fall Monday from Buffalo, New York to Boston.

据国家气象局表示，周一纽约布法罗到波士顿一带或迎强降雪，降雪量或达数英寸。

This is the headquarters of the National Oceanic and Atmospheric Administration, home to the US government's national weather service.

这里是美国国家海洋与大气管理局的总部，也是美国政府的国家气象服务处的本部。

Denver, according to its local national weather service office, doesn't typically see its first measurable snow until mid-October.

据当地国家气象局办公室表示，丹佛在十月中旬前不会降可测量厚度的第一场雪。

The national weather service has warned that the storm could bring 15 to 20 inches of torrential rain or more.

国家气象局警告说，这场风暴可能会带来15到20英寸的暴雨，甚至更多。

Further bad weather is expected later on Thursday and the national weather service says temperatures will fall well below zero.

周四的天气可能会更糟，国家气象局称气温将下降到零度以下。

The national weather service says there's a high risk of severe thunderstorms tonight from the Ozarks into the Ohio valley region.

国家气象局表示，今晚从奥扎克山脉（Ozarks）到俄亥俄河谷地区，极有可能出现强烈雷暴。

The national weather service says the chance of severe weather in this region of the country, or processed through the coming days.

美国国家气象局表示，未来几天该地区可能还会遭遇严峻天气。

The national weather service says it's unlikely to pose a threat to the island chain, comes on the heels of a tropical storm Iselle.

美国国家气象局表示，这一飓风紧随热带风暴伊塞尔而来，不太可能对夏威夷列岛构成威胁。