It’s been over 11 years since the last EF5 tornado struck the U.S.,a surprising drought considering the frequency of violent tornadoes in previous decades.

Right now the death toll from the massive tornado that hit Moore, Oklahoma on May 20 seems—thankfully—to be less than first thought. City officials now say that 24 people have been confirmed ...

Discover the U.S. regions most at risk from hurricanes, tornadoes, wildfires, floods, and winter storms. Learn how weather shapes safety and staying prepared.

MOORE, Okla. — President Barack Obama visited tornado-devastated Moore, Okla., Sunday, consoling people staggered by the loss of life and property and promising that the government will be ...

Opening Shot: News footage of the massive EF5 tornado that touched down in Joplin, Missouri on May 22, 2011. The Gist: The first episode of Survival Mode is about the EF5 tornado in Joplin that ...

The Joplin tornado, also referred to as the Joplin EF5, struck the city on the evening of Sunday, May 22, 2011. EF5 is the most intense rating on the Enhanced Fujita (EF) Scale for tornadoes.

St. Louis now faces many of the same challenges Joplin faced, challenges that require years of persistence and planning.

Incredibly, nobody was killed in this tornado, but 12 were injured. Oakfield remains one of only three F5 (or EF5) tornadoes on record in Wisconsin and the only known F/EF5 U.S. tornado to have ...