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 ...

Some might think the Enhanced Fujita (EF) Scale is basically the same as the original Fujita (F) Scale, but Big Country ...

As the howling tornado bore down, Reed Timmer abandoned a tiny, soft-topped vehicle and sought shelter with a group underneath an overpass. This was early on in his storm-chasing career, in 1999, ...

We haven't seen much severe weather recently in the U.S., but the country hasn't been nearly that fortunate in past Augusts. On Aug. 28, 1990, 35 years ago today, an F5 tornado raked through two ...

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 ...

MADISON, Wis. - The last EF-5 tornado that touched down in the United States hit Moore, Oklahoma, in May of 2013. However, meteorologists at the National Weather Service Grand Forks have determined, ...

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 ...