Texas sees an average of 135 tornadoes each year, the most of any U.S. state. Here's a look at the worst ones in the Lone ...

Theodore Fujita developed the Fujita Tornado Damage Scale (F-Scale ... EF-1 (86-110 mph) F1 (73-112 mph) Moderate damage. Roofs severely stripped; mobile homes overturned or badly damaged ...

More extreme weather in South Africa could support conditions conducive to tornado formation, a climate expert has warned.

On Sept. 14, 1978 when an F1 tornado hit Bainbridge. The tornado traveled 7.2 miles and caused $25,000 in damages. Aug. 24, 1982, an F1 swept near Chillicothe for 3.5 miles, injuring five people ...

Instead, after a tornado hits, the U.S. National Weather Service uses a rating system it adopted in 1973 called the Fujita Scale. Devised by meteorologist Theodore Fujita in 1970, the F-scale ...