North Texas Graphical Warnings

The graphical severe weather warnings project (GWARN) represents a collaborative effort between the National Weather Service (NWS) Fort Worth, TX, the NWS Southern Region Headquarters, and the North Central Texas Council of Governments (NCTCOG).  Using the warning polygon area, a demographic database at NCTCOG is queried to determine characteristics of the population at risk.  This has served as a model for numerous other integrations of demographics data into weather impacts.  Below are current National Weather Service warnings mapped and presented with estimated populations in the impact area.