Although the 2013 tornado season to this point has been one of the slowest in the past 60 years, there were two extremely powerful tornadoes that did form in Oklahoma this past May. The first occurred ...

The tornado that struck El Reno, Okla., Friday "is officially the widest known tornado in the U.S.," says the National Weather Service office in Norman, Okla., announcing today that at its widest, the ...

A damaged sign lies outside the wreckage of Plaza Towers Elementary School, where seven children were killed when a tornado hit Moore, Oklahoma, in May 2013. (AP Photo/Charlie Riedel) A decade ago, ...

NORMAN, Okla. -- Dear Mother Nature: Oklahoma has suffered enough. It was enough to bring a devastating EF-5 tornado to Moore in mid May. But to bring a second EF-5 tornado to the same general area 11 ...

Tornadoes can get extremely large, and that's terrifying. Watch this video to learn about the largest tornado ever known to ...