These storm chasers hunt down tornadoes, trying to get right in the twister's path.

他苦苦追寻龙卷风，试图与龙卷风打个照面儿。

Those storms want a lot of shear.

龙卷风非常需要风切变。

EF-4s are considered violent and extremely rare, making up only about 1% of all tornadoes.

EF4级龙卷风威力巨大，极其罕见，发概率仅占所有龙卷风的1%左右。

We hear about it in tornadic thunderstorms.

龙卷风里过这个名词。

No, we've never even seen a tornado in Hawaii.

不，从没夏威夷见过龙卷风。

Which of these states is part of Tornado Alley?

下面哪个州位于龙卷风走廊?

We have several more hours of this before this thing passed.

离龙卷风过境还有段时间。

Multiple sightings of tornadoes in the Garden State.

新泽西州多次发现龙卷风。

Their state is located in tornado alley a region of the U.S. that sees the most twisters.

该州位于龙卷风通道上，这里是美国遭遇龙卷风最多的地区。

Then I'd know why god sent us this tornado.

难怪上帝要带给这场龙卷风。

These would be clouds that would be rolling at velocities that'd be comparable to tornados.

那些云的变化速度可以跟龙卷风相提并论。

Get all this tornado stuff behind me so I can enjoy...

忘掉该死的龙卷风 这样才能享受。

As its widest point, a twister is believed to be 300 yard wide.

龙卷风掠过时最宽处达300码。

The most violent have winds of more than 400 kilometres per hour.

最强的龙卷风风速超过400千米每小时。

That's the same wind speeds as an EF2 tornado.

这相当于EF2级龙卷风的风速。

Gusts of up to 140 kilometers an hour have led to tornadoes forming.

时速高达140公里的阵风会形成龙卷风。

Suspected tornadoes touched down in northwest Florida on Monday.

周一，疑似龙卷风登陆佛州西北部。

Nebraska is part of the region known as Tornado Alley.

内布拉斯加州位于龙卷风走廊。

In Mississippi, there were also reports of tornado touchdowns today.

今天，龙卷风同样袭击密西西比州。

More than 70 tornadoes were reported.

据报道有70多起龙卷风。