Derechos are long-lived storms that cause extreme wind damage, sometimes lasting eight hours and traveling hundreds of miles.

It's always hot in the summer in the U.S. Southeast, but even by the standards of Florida and the Carolinas, the steamy heat ...

The Tri-State Tornado, which is still to this day the deadliest tornado in U.S. history, killed 695 people and injured 2,027 ...