How rare is it for the SPC to go up to a Moderate Risk for Day 3? It's only happened 18 times since 2005 - an average of once a year. (Note that not all these days ended up with major outbreaks though.) pic.twitter.com/1Z9yHjInCJ

— Craig Ceecee, Ph.D. (@CC_StormWatch) March 20, 2022