Since October 2007, the National Weather Service's official Tornado Warning was geographically represented by a single polygon. These polygons are also associated with the counties they occupy and often the counties are what is reported. Anyway, just considering the polygons the featured map displays the year of last tornado warning based on the polygon coverage. While the polygons were not official prior to 2007, they were issued experimentally and are included in this analysis. The potpourri style map shows that some areas of the state have missed all the tornado warnings since 2003! There is a tornado threat in the state today, so hopefully this map does not change (meaning no new warnings) if you generate it tomorrow via the website. You can also generate this map for other states and also isolated to single NWS Forecast Offices.

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Tags:   tornado