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

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 ...

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

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

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

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, ...

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