With the calendar year winding to a close, it is a good time to look back on the year that was. The featured chart presents the most frequent NWS Des Moines issued alerts as accounted by the number of counties/zones included. For example, a Severe Thunderstorm Warning covering two counties would count as two. The units shown on the chart are relative to the most frequent alert, which is typically the Severe Thunderstorm Warning, but this year is the Winter Weather Advisory. The ranking is a testament to the relative severity we have seen during the cold part of the year versus the limited amounts of convective severe weather.

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Tags:   2019