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 ...

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

A tornado reduced homes in Paragould, Ark., to rubble — less than a year after another twister touched down on the same extact street.

The "Race Day" tornadoes of May 30, 2004, were a significant and destructive series of tornadoes that struck the state of Indiana in the United States. The event is often remembered due to the timing ...

Sunday morning's storm system prompted many warnings across the southeast. Damage survey done by the National Weather Service of Tallahassee confirms a tornado touched down in Mitchell County.

A Pacific storm turned deadly when dry desert winds and Gulf moisture combined over the Plains to fuel dozens of tornadoes ...

Tornadoes are classified through the Enhanced Fujita, or EF, scale, which rates storms on a scale of 0 to 5 based on recorded ...

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

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

Storms and tornadoes wreaked havoc across the South and lower Midwest during the weekend, in states such as Oklahoma, Texas, ...