The United States sees more tornadoes than anywhere else on Earth, but some of the deadliest have struck countries thousands ...

The most rare and extreme form of tornado struck eastern North Dakota in June, but experts just determined how strong it really was.

The nation's longest "drought" between EF5 tornadoes has come to an end, scientists from the National Weather Service ...

A rare and devastating EF5 tornado that struck southeastern North Dakota in June has been officially confirmed by the National Weather Service (NWS) as the first of its kind in the United States in ...

Tornadoes are a relatively rare event. Only a tiny percentage of thunderstorms ever go on to produce a tornado. No two twisters are alike—and some of those storms are truly bizarre. From twin ...

ENDERLIN, N.D. — A tornado that killed three people this summer in southeast North Dakota has been reclassified EF5, the most damaging level for a twister. The June 20 tornado that destroyed at least ...

On May 10th, 1996, a massive tornado outbreak tore through Oklahoma, but for one meteorologist, it was also a once-in-a-lifetime opportunity. Professor Jo Harding and her storm-chasing team set out to ...

For the first time in 12 years, the United States has recorded an EF5 tornado, the most powerful type of twister on the Enhanced Fujita wind and damage scale, the National Weather Service confirmed ...