Violent tornadoes ripped through parts of the U.S., wiping out schools and toppling semitractor-trailers in several states.

A powerful tornado touched down in northeastern Arkansas on Wednesday, prompting the issuance of an urgent Tornado Emergency.

Tornadoes and violent winds flattened homes and ripped apart buildings from Oklahoma to Indiana in the first round of storms ...

The National Weather Service says a "multi-day catastrophic and potentially historic" storm is expected to impact multiple ...

This is one of America's signature tornado outbreaks, not simply for the number of violent, deadly twisters, but also for the ...

Watches typically cover extensive areas, sometimes spanning multiple counties or states, and can remain in effect for several ...

She sifted through the rubble, warped landscape of shrapnel and debris, and picked the pictures out of the clay mud. The ...

Sgt. Clark Parrott of the Missouri Highway Patrol said at least one person was killed in southeast Missouri, KFVS-TV reported ...

These things take time, especially when you're talking about long-track, violent tornadoes like this one. Additional satellite and ground analysis had to be done in order to get the most accurate ...

PST - Sunnyside tornado from Midway.jpg A second tornado approaches the already devastated Midway Trailer Court just one hour after the first one hit at about 6:15 p.m. This one swung north and ...

Three of these tornadoes were rated EF4, a threshold the NWS classifies as violent tornadoes. Twisters this strong aren't rare, but they make up a small fraction of America's yearly tornado tally.

The Enhanced Fujita Scale is a tornado rating that determines the wind speed by the damage the tornado produces but do we ...