The Enhanced Fujita Scale provides an estimated range of a tornado's wind speeds, based on the tornado's damage.

They're much more common than tornadoes. Here's why severe thunderstorms are dangerous and why you should take action when a ...

Parts of Mississippi are at risk of tornadoes, large hail, and damaging wind gusts up to 70 miles per hour later this week.

Researches found little evidence that tornadoes were getting weaker. Instead, it appears that a subjective tornado grading ...

A quirky aspect of the way we measure twisters helps explain why there hasn't been a top-tier-rated tornado in 12 years.

A tornado hit central Florida on Monday, destroying two homes, uprooting trees and disrupting a FOX TV show as it was ...

A group of TV journalists in Florida experienced a once-in-a-lifetime event on Monday. While meteorologist Brooks Garner at WOFL-TV was warning local citizens to be on high alert for storm activity, a ...

Tens of millions of people across the U.S. from the Plains to the Southeast are preparing for a potential multiday severe ...

Residents were urged to seek shelter after a tornado caused damage in Seminole County, Florida, the National Weather Service in Melbourne said.

Tornado warning: A sighting or weather radar indicated a tornado. Try to move to an interior room on the lowest level in a ...

Tuesday’s early-morning Ada area tornadoes caused widespread damage. Damage surveys are preliminary, but the National Weather Service has tentatively rated both the Ada tornado and the Union Valley ...

Tornadoes are classified on the Enhanced Fujita scale, which ranges from EF0 to EF5. Originally created by famed tornado researcher Ted Fujita, the scale takes into account estimated wind speeds ...