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

One question you may ask yourself is how tornadoes are measured? It's with the Enhanced Fujita (EF) scale which is gives a ...

A deadly tornado outbreak ripped through the Midwest and South over the weekend, leaving destruction, power outages and ...

At least two tornadoes in Arkansas have a preliminary rating of EF-4 as part of the tornado outbreak that has claimed dozens ...

There were no injuries or deaths reported in association with the Midlands tornado. Storms and tornadoes wreaked havoc across ...

A string of deadly tornadoes, violent dust storms and fast-moving wildfires ripped across several midwestern and southern U.S ...

In addition to the tornadoes, high sustained winds with gusts of up to 80 miles per hour were reported throughout the region, ...

The culprits ranged from dust storms and fires in the Southern Plains to tornadoes in the Mississippi Valley and the South.

The National Weather Service (NWS) in Birmingham has confirmed five tornadoes struck central Alabama on Saturday, as severe ...

At least 37 people have died across seven states as powerful storm systems swept through the Midwest and the South.

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