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 National Weather Service (NWS) on Saturday confirmed at least 3 EF-2 Tornadoes touched down in southern Indiana.

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

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 ...

Aerial video taken after an EF-2 tornado ripped through a Florida neighborhood north of Orlando shows one home torn to pieces and old oak trees ripped from their roots along a normally quiet community ...

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 ...