The word “supercell” may sound like hype, but they are real thunderstorms with rotating updrafts that can have serious ...

I knew Friday’s storm chase would be a wild one, but what I saw was still mind-boggling. Parts of the Texas and Oklahoma’s ...

A supercell thunderstorm, which brought almost hurricane-force straight-line winds, was responsible for a 300-mile swath of damage across northern Maryland and southern Pennsylvania on Saturday ...

A supercell thunderstrom in Oklahoma. Image courtesy of NSSL/NOAA. The National Weather Service defines a severe thunderstorm as a thunderstorm that is producing: Hail that is at least quarter ...

MORGANTOWN, W.Va. (WBOY) — More than 36 hours after a supercell storm tore through northern West Virginia, thousands of people are still without power. After the storm, about 32,000 Mon Power ...

Two days of sustained storms, tornadoes, heavy rain and hail have already brought devastation to some Mid-South communities. But the severe weather threat is not over. The National Weather Service ...

Pottawattamie, Cass CountiesOne supercell storm produced multiple tornadoes north of Omaha before crossing into Pottawattamie County, Iowa. A spotter reported a possible tornado southeast of ...

It'll be hard to know where exactly those isolated supercell storms develop ... will likely be an axis of heavy rain that could drop over 6 inches of rainfall. This could lead to life-threatening ...