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

They're much more common than tornadoes. Here's why severe thunderstorms are dangerous and why you should take action when a ...

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 Melbourne confirmed an EF2 tornado hit Seminole County Monday morning. Several tornado warnings ...

This is a very rare event,” FOX 35 Orlando Meteorologist Brooks Garner said Monday morning. “We were able to confirm the tornado as it hit our station.” ...

Parts of Mississippi are at risk of tornadoes, large hail, and damaging wind gusts up to 70 miles per hour later this week.

A recent tornado in South Dakota was given the relatively rare designation of EF-U due to the area in which it touched down.

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 ...

Upon further research and feedback from scientists, the Enhanced Fujita scale was developed and put into practice after February 1, 2007. What's the biggest difference? This new scale includes more ...

A man in Longwood managed to catch video as a violent tornado raged through his neighborhood on Monday morning.