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 ...

Netflix's brand-new documentary, The Twister: Caught in the Storm, captures the true story of the category EF5 tornado that hit Joplin, Missouri, in 2011. There have been a number of tornado ...

A deadly tornado outbreak ripped through the Midwest and South over the weekend, leaving destruction, power outages and tragic loss in its wake.

Damage surveys provide crucial information about when, where and how strong U.S. tornadoes are to better understand disaster ...

This scale, implemented in 2007, categorizes tornadoes from EF0, the weakest tornadoes, to EF5, the strongest. The wind speeds are just estimates, based on damage surveys conducted by the National ...