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 ...

COVINGTON, Tenn.– Several counties across the Mid-South are preparing for possible severe weather, including those in Tipton ...

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

Severe weather season usually begins to ramp up in March and lasts through the start of summer. The dramatic increase in sun ...

The original Fujita scale, developed in the 1970s, was used until 2007, when it was updated and replaced by what is now known as the Enhanced Fujita (EF) scale. The numerical ratings of tornadoes were ...

The FOX23 Severe Weather Team is bringing you "Storm Smart," a special looking back at the record breaking number of tornados ...

Residents were stunned after a tornado touched down in Pico Rivera early Thursday morning, leaving behind a trail of destruction. At around 3:15 a.m., the tornado, an EF-0 on the Enhanced Fujita ...

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

MOLINE, Ill. — A new study published by the American Meteorological Society has shed light on a puzzling phenomenon: The United States has not logged an EF5 tornado, the most violent category ...