This past Friday was the three year anniversary of one of the most anomalous weather events on record for Iowa. 15 December 2021 featured record setting December warmth followed by a "serial derecho" that extreme winds and 60+ tornadoes to the state. A number of IEM Daily Features covered many of the unique aspects of this event. Today's featured chart presents the largest number of calendar day tornado warnings issued for Iowa during the December through February period. Again, just a remarkably anomalous event with nothing even close to being a comparable.

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Tags:   dec152021