The Enhanced Fujita Scale: A Tornado Rating System
The Enhanced Fujita Scale provides an estimated range of a tornado's wind speeds, based on the tornado's damage.
Yale Climate Connections5d
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.
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 system is to blame.
The Weather Channel on MSN9d
On Today's Date: An F5 Tornado Roared Through Jackson, Mississippi
T​ornadoes in the U.S. typically increase sharply in spring.​ Unfortunately, a few of those can be violent tornadoes, ...
The Cincinnati Enquirer5d
The worst type of tornado hasn't hit the US for over a decade, perplexing experts
"It’s likely that several of these tornadoes would have been rated F5 using the legacy Fujita scale." Thus, the lack of EF5-rated tornadoes in the past decade is "less due to a weakening of ...
AOL5d
The worst type of tornado hasn't hit the US for over a decade, perplexing experts
Basically, most buildings would be blown away by EF4 tornadoes, so there are few left standing to encounter EF5 damage. What's the difference between the old F5 damage and current EF5 damage?