Severe thunderstorms ripped through Ohio last night. But it's not a tornado until the National Weather Service can confirm it. Here's how.

Late Monday afternoon, Bolen said the National Weather Service determined the damage at the Linda Mobile Home Park was caused ...

The Fujita scale, and the revised Enhanced Fujita scale, are widely accepted scales used for rating tornado intensity. They ...

The NWS has placed Franklin, Licking, Madison and Union counties in central Ohio under the flood watch, along with over three ...

On Monday, March 31st at about 4:20 AM an EF-2 Tornado touched down briefing in Grand Prairie during the early morning intense storms. The National Weather Service of Lake Charles completed and ...

For Part 2 of this Weather University special series on severe weather, 8News meteorologists Matt DiNardo and Jacqueline ...

Tornadoes form by an extreme spinning of air caused by a mixture of heat, humidity and changes in air. Here's how they all ...

More extreme weather in South Africa could support conditions conducive to tornado formation, a climate expert has warned.

At least three tornadoes touched down Sunday night during strong storms in Butler and Warren counties. All three are rated EF0, according to the National Weather Service in Wilmington. An EF0 tornado ...

When severe weather strikes, communities brace for the worst. Recent reports confirm that at least four tornadoes touched down in the Chicago area, creating a significant impact during a violent storm ...

More than 109 million Americans from the southern Great Lakes region to as far south as Texas and Louisiana face a dangerous ...

Tornadoes in Washington state are relatively rare, but they do happen. Here's what to know if a twister touches down near you ...