Nearly three decades ago, a monstrous EF5 tornado tore through multiple Birmingham suburbs, wiping out dozens of structures, claiming the lives of 32 people and injuring hundreds.After touching down ...

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

At least one tornado touched down in Iowa along with baseball-sized hail in severe storms that also hit Nebraska and worked ...

The widest tornado in Iowa’s history touched down Thursday ... "Some small 'rope' tornadoes still can cause violent damage of EF4 or EF5; and some very large tornadoes over a quarter-mile ...

Despite their rarity, these high-intensity storms are responsible for a disproportionate number of tornado-related fatalities. Data indicates that EF4 and EF5 tornadoes account for approximately ...