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.
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.
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New study reveals potential cause of a 'drought' in violent EF5 tornadoes » Yale Climate Connections

The paper is here