Through Oct. 3 of this year, SPC recorded two fewer tornadoes than the previous record-low of 761. Tornado activity has been unusually low in recent years, according to SPC data, which goes back 65 years.
This lack of tornadic storms in recent years should also correlate with lesser severe thunderstorm activity in general in the U.S., since the conditions which produce large hail and damaging winds are generally the same as are required for tornadoes, Dr. Roy Spencer of the University of Alabama-Huntsville wrote on his blog.
https://www.thegwpf.com/us-tornado-activity-lowest-in-65-y/
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