Severe storms were forecast into Monday across Arkansas, Missouri and Illinois and down to Texas, Louisiana and Mississippi.

Understanding the distribution and frequency of tornado intensities is crucial for preparedness and mitigation efforts.

Researchers pinpointed the riskiest events in terms of lightning and tornado exposure by mining data from more than 16,000 ...

This is the time of year, when Texas sees more severe thunderstorms that can spawn tornadoes, you might hear more about where a twister ranked on the Enhanced Fujita scale or its EF rating. Among the ...

Damage looks flattened out, with trees pointing in the same direction or fanning out from one another. Just four Ohio tornadoes since 1950 have received the most severe EF5 designation. The last time ...

Some areas of the region could see frequent lightning, fierce wind gusts, hail and a few tornadoes, the center warned in it short-term forecast. "There is an added threat of EF 2 to EF5 tornadoes ...

Just four Ohio tornadoes since 1950 have received the most severe EF5 designation. The last time was May 31, 1985, when an EF5 tornado that tore through parts of Portage and Trumbull counties ...

Texas sees an average of 135 tornadoes each year, the most of any U.S. state. Here's a look at the worst ones in the Lone ...