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.

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

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

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

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

The National Weather Service determined an EF1 tornado touched down near Woodville, North Carolina. WOODVILLE, N.C. — Based ...

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

Dozens of tornadoes, including 2 EF4 strength storms, raked across 11 states Friday into Saturday, killing two dozen people.

At least three tornadoes have been confirmed in the two-state area from severe storms Sunday morning – and officials are ...