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

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

Windspeeds reached 85 mph for about two minutes as the tornado traversed about a mile just west of the 605 Freeway.

Video shows the moment 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 scale ...

After a powerful winter storm flooded roadways, dropped hail, and even brought a tornado to Southern California on Thursday, forecasters say more rain is headed our way Friday. “Lingering showers ...

Parts of the city had been urged to evacuate as a powerful system brought rain and snow up and down the state.

A small tornado also touched down for two minutes in the Pico Rivera area between 3 a.m. and 4 a.m., according to the ...

An EF0 tornado touched down in Los Angeles County early Thursday morning, causing damage to a Pico Rivera neighborhood, the National Weather Service said.

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