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

Research published by the American Meteorological Society suggests the more than decade long drought of the strongest ...

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

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

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 SA Weather Service is “working tirelessly” to nowcast tornadoes and similar events for the safety of the general public.

The National Weather Service shared news of the twister, which arrived far earlier in the year than most tornadoes in the ...

Fujita even agreed that structural integrity should be taken into account when assigning an F-scale rating. So the Enhanced Fujita (EF) scale was established in 2006 and remains the standard for ...

Tornado historian Thomas Grazulis listed 37 "strong tornadoes" in this outbreak across eight states, what would today earn at least an EF2 rating on the Enhanced Fujita scale. (This happened 36 ...