Understanding how storms form helps explain why forecasters watch ocean temperatures and wind patterns so closely.

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 ...

Hurricane Gabrielle rapidly intensified from a Category 1 to a Category 4 storm on Monday. Rapid intensification is when a ...

Despite a high temperature of 39 degrees Wednesday, the Chicago area Thursday started out frigid, with temperatures in the low teens in most parts -- and wind chills made the air feel even colder. As ...