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

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

A storm system, fueled by unseasonably warm air, could unleash significant tornado activity along the Middle and Lower ...

A tornado hit central Florida on Monday, destroying two homes, uprooting trees and disrupting a FOX TV show as it was ...

which ranges from EF0 to EF5. Originally created by famed tornado researcher Ted Fujita, the scale takes into account estimated wind speeds, observed damage and damage verified in weather service ...

A powerful storm system that unleashed severe weather for millions of Americans from coast to coast this week is now taking ...

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

The National Weather Service issued convective outlooks through Wednesday that include the possibility of severe ...

No direct injuries or fatalities were reported, according to the National Weather Service after it completed its storm survey ...

Severe weather season in Texas begins in March, so consider what your severe weather preparation plans are. Do they include ...

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