The worst type of tornado hasn't hit the US for over a decade, perplexing experts
Researches found little evidence that tornadoes were getting weaker. Instead, it appears that a subjective tornado grading ...
Yale Climate Connections1d
New study reveals potential cause of a ‘drought’ in violent EF5 tornadoes
A quirky aspect of the way we measure twisters helps explain why there hasn't been a top-tier-rated tornado in 12 years.
wqad on MSN3d
Where did all the EF5 tornadoes go? New study explores the decade-long mystery
Upon further research and feedback from scientists, the Enhanced Fujita scale was developed and put into practice after February 1, 2007. What's the biggest difference? This new scale includes more ...
A Recent Plains Tornado Was Rated EFU. You Read That Right – Here's What It Means
A prime example happened Feb. 24 in South Dakota, when a brief tornado documented by a storm chaser spun up over an open ...
South Dakota records its first-ever February tornado with a twister near Watertown
A tornado touched down in an open field on Feb. 24 in Codington County, the first time a tornado was documented in February in South Dakota history.
Cards Wire5d
When is tornado season in Mississippi? What the weather data says is the peak time in MS
Don't treat tornado watches or warnings lightly. Deadly twisters can hit in Mississippi all year. See what the weather data says about historic storms ...
KFGO10d
First ever documented February tornado in South Dakota classified as ‘EF U’
WATERTOWN, S.D. (KFGO KWAT) – South Dakota’s first-ever documented tornado in February will go down as an “EF-U” on the ...
Yahoo News Canada15d
Absence of EF-5 tornadoes may be because of damage assessments, not changes in weather patterns
The original Fujita scale, developed in the 1970s, was used until 2007, when it was updated and replaced by what is now known as the Enhanced Fujita (EF) scale.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 ...