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 ...
USA Today7d
The worst type of tornado hasn't hit the US for over a decade, perplexing experts
May 20, 2013, marks the last time the United States was hit by the worst type of tornado. On that date, a monster EF5 tornado tore a 17-mile path through the Oklahoma City suburbs, creating "40 ...
FOX 13 Utah2h
Battered by job cuts, National Weather Service prepares for tornado outbreak
A storm system, fueled by unseasonably warm air, could unleash significant tornado activity along the Middle and Lower ...
Yale Climate Connections6d
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.