Having either a Severe Thunderstorm or Tornado Warning during the month of December is very rare. Another way to show how anomalous the events on Wednesday were, the featured map presents a heatmap of polygon Severe Thunderstorm Warnings issued for the event by the NWS. Outside of the two far NW Iowa counties, the entire state was covered by at least one warning. This plot does not include the numerous Tornado Warnings issued as well. It continues to just blow the mind that the most active severe weather day this state saw this year happened during December! Unfortunately, there was a lot of damage associated with the extreme winds that prompted these warnings. Power remains out for thousands of folks with some expected to not regain power for a number of days to come yet.

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Tags:   dec152021