Tornadoes form by an extreme spinning of air caused by a mixture of heat, humidity and changes in air. Here's how they all ...

Fueled by warm, humid air moving in from the Gulf, the severe weather threat will expand farther east and south on Sunday ...

Just a week after a deadly tornado outbreak, the central United States is facing the threat of more severe weather this ...

The National Weather Service has confirmed several EF4-strength tornadoes in outbreaks of severe weather this month, the most ...