Jet streams play a key role in how tornadoes are formed. When it comes to tornadoes, you’ve seen them, and you’ve seen what they can do. But do you really know how a tornado forms into that monstrous ...

There are more tornadoes in the US than anywhere else on Earth. How do they form? This is in part because of the geography of ...

Tornadoes are complex and tough to predict but this short documentary from NASA is a good introduction to how they work. Researcher Tim Samaras explains how different weather systems collide across ...

They are the most dangerous form of severe weather and the most difficult to predict. Of course, we are talking about tornadoes, but how do they form? Tornadoes develop from severe thunderstorms in ...

As the earth's temperature climbs, so does the threat of extreme weather events such as drought, wildfire, hurricanes and tornadoes -- all occurring more frequently at higher strengths, according to ...