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 ...

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

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

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 ...

A rare sight in California - a tornado - slammed a Pico Rivera neighborhood early Thursday during the state’s latest storm.

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 tornado touched down in a Los Angeles County neighborhood early Thursday morning, a rare event in Southern California. With ...

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

Wind gusts were forecast to top 50 mph in some areas. In Pico Rivera, a tornado with wind speeds reaching 85 mph traveled ...

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 ...