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

CNN News Central delivered urgent breaking news coverage regarding an intense storm building which is projected to bring 160 ...

Thunderstorms erupting in the South and Midwest to kick off the weekend could turn severe and produce dangerous winds, a few tornadoes and heavy rain.

Melissa underwent extreme rapid intensification, strengthening to a rare Category 5 with winds of 175 mph and stronger gusts, making it the strongest storm on the planet this year. Follow for live ...

(CNN) — A rare, monstrous EF5 tornado that struck the United States more than three months ago was the first of its kind in more than a decade, experts announced Monday. A tornado that roared through ...