A recent study explores the puzzling decline in EF5 tornadoes, contributing it to more strict criteria in the Enhanced Fujita scale introduced in 2007.

WATERTOWN, S.D. (KFGO KWAT) – South Dakota’s first-ever documented tornado in February will go down as an “EF-U” on the ...

A prime example happened Feb. 24 in South Dakota, when a brief tornado documented by a storm chaser spun up over an open ...

Despite the number of tornadoes increasing in the U.S., it’s been over 11 years since the last EF5 was recorded. But does ...

The original Fujita scale, developed in the 1970s, was used until 2007, when it was updated and replaced by what is now known as the Enhanced Fujita (EF) scale. The numerical ratings of tornadoes were ...

The Enhanced Fujita Scale, used to assess wind speeds and damages of a tornado, incorporates 28 damage indicators such as building type, structures, and trees. The scale became operational in 2007 ...

The damage survey revealed an EF1 tornado touched down in the Ferry Pass community at 4:21 p.m. and traveled approximately a mile and a half with wind speeds peaking at 90 mph.The tornado began about ...

A tornado caused damage in an Oxnard mobile home park, with no injuries reported. Clean-up efforts are underway.

See where severe thunderstorm and tornado warnings were issued on Sunday morning and where tornadoes have been confirmed so far.