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

Each tornado touched down in Saturday's early hours, with the last and smallest observed at 5:14 a.m. An EF-1 ...

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 in St. Louis has confirmed three tornadoes hit the St. Louis area during Friday's storms, ...

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

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

The National Weather Service on Saturday confirmed at least three EF-2 tornadoes touched down in southern Indiana.

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 ...

The National Weather Service has confirmed at least four tornado touchdowns occurred in the Chicago area during a severe weather outbreak Friday.

PICO RIVERA, Calif. - As the peak of a winter storm hammered down on California, bringing rain, gusty winds and mountain snow, another weather event occurred in Los Angeles County. Meteorologists ...