EF5 tornado ratings are rare for two reasons: The first is that tornadoes of that intensity are uncommon events. Most tornadoes have wind speeds well under the 201 mph threshold for EF5, Lyza said.

A flash flood is a rapid rise of water along a stream or in a low-lying urban area, the National Weather Service said. Flash ...

Despite the number of tornadoes increasing in the U.S., it’s been over 11 years since the last EF5 was recorded. But does that mean the most violent tornadoes are disappearing? A new study gets ...

More than 150 died when a twister tore through Joplin in 2011, making it the deadliest tornado in the last seven decades.

Steven Weersing, nicknamed 'miracle boy' after surviving the 2011 Joplin tornado, is opening up to PEOPLE about what he ...

Twelve years ago, the last EF5 tornado to hit the United States tore through Moore, Oklahoma. The violent storm carved a path of destruction through neighborhoods, killing 24 people and injuring ...

Cecil Cornish, one of the survivors of the EF5 tornado that struck Joplin, Missouri, in 2011, says he has received several messages from supporters since the release of the Netflix documentary ...

The tornado’s initial touchdown occurred at 6:45 p.m. Saturday. The EF2 tornado appeared five miles south of Kadoka and ...

Cecil Cornish was one of the survivors of the deadly EF5 tornado that struck Joplin, Mo., in 2011 Cornish tells PEOPLE that many people have come out to him in some of the messages he has received ...

Wind speeds range from 65 to 85 mph for an EF0 tornado, 86 to 110 mph for an EF1, 111 to 135 mph for an EF2, 136 to 165 mph for an EF3, 166 to 200 mph for an EF4 and more than 200 mph for an EF5 ...