Some might think the Enhanced Fujita (EF) Scale is basically the same as the original Fujita (F) Scale, but Big Country ...

Before this twister was upgraded, the last EF5 in the United States had occurred in 2013 when a devastating tornado in Moore, Okla., killed 24 people ... Texas hasn't seen a confirmed F5 or EF5 ...

The last recorded EF5 tornado was on May 20, 2013, in a town outside Oklahoma City, killing 24 people and injuring more than 200 others. That tornado tore through hundreds of homes, a school, hospital ...

We haven't seen much severe weather recently in the U.S., but the country hasn't been nearly that fortunate in past Augusts. On Aug. 28, 1990, 35 years ago today, an F5 tornado raked through two ...

Jason Owen walks past an open door as he helps his mother to salvage items from her uncle's home after it was almost destroyed by a tornado in Moore, Oklahoma, May 23, 2013. The tornado was the ...