It was rated as a Category 5 violent storm.

它被评估为五级强风暴。

Mobility is a category we actually added.

Political security is another one.移动性是新增的一个类别。政治安全亦是新增的类别。

That`s the strength of a category one hurricane.

这是一级飓风的强度。

That would be like a category 2 hurricane.

堪比2级飓风。

Michael hit Florida as a category four hurricane.

飓风“迈克尔”袭击佛罗里达州时已达到四级。

Hurricane Ida grew from a Category 1 to a Category 4 hurricane in less than a day.

飓风“艾达”在不到一天的时间里从一级飓风升级为四级飓风。

That`s nearly the speed of a category one hurricane.

这几乎是一级飓风的速度。

This is a category that often people forget about.

这是人们经常忘记的一类。

That's the strength of a category one hurricane.

这一风力相当于一级飓风。

At one point yesterday, it was a category 5 storm.

昨天飓风的强度曾达到五级。

Now take Maria, Maria went from a Category 1 to a Category 5 in 15 hours.

现在来说说飓风“玛丽亚”，“玛丽亚”在15小时内从1级变成了5级。

That's nearly the speed of a category one hurricane.

这一风速已接近一级飓风。

Dorian was a Category 1 hurricane as of last night.

截至昨晚，“多里安”的强度为1级飓风。

It then dropped back to a Category 3 before hitting land.

随后在登陆前降回三级。

Eta is already a Category 4 and could get even stronger.

“伊塔”已经是四级飓风，而且可能会变得更强大。

Ian blasted ashore on Wednesday afternoon as a category four hurricane.

周三下午伊恩以四级飓风力度轰然上岸。

Like Katrina in 2005 which intensified rapidly overnight going from a Category 3 to a Category 5.

2005年的卡特琳娜飓风在一夜之间由3级增强至5级。

Andrew was a category five storm, the highest rating of hurricane intensity.

安德鲁是五级风暴，是飓风强度的最高等级。

Mobility is a category we actually added, political security is another one.

移动性是新增的一个类别，政治安全亦是新增的类别。

It did make landfall as what we would call a category one.

“查帕拉”登陆后我们将其标记为一级。