It’s quiet again in Tornado Alley – so quiet that researchers are digging deep into the record books for comparisons.
The estimated number of EF-1 or stronger tornadoes for the past 12 months is 217, according to National Severe Storms Laboratory tornado climatologist Harold Brooks. That’s “well below” the previous record of 247 for the fewest EF-1 or stronger tornadoes in a 12-month period, Brooks said.
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