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

Netflix’s The Twister: Caught in the Storm revisits the harrowing events of May 22, 2011, when an EF5 tornado devastated ... due to the extent of the damage. The Twister: Caught in the Storm ...

The other, which had the most severe damage near Diaz in Jackson County, was determined to be a high-end EF4 tornado with maximum winds of 190 mph. For comparison, an EF5 tornado has winds of at ...

Nearly three decades ago, a monstrous F5 tornado tore through multiple Birmingham suburbs, wiping out dozens of structures, claiming the lives of 32 people and injuring hundreds.

If a tornado moves over an open area, such as a field, and there is no damage that can be surveyed, it is called an EF-unknown (EFU). EF5 is reserved for monstrous tornadoes with winds over 200 mph, ...

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