Using the warning polygon area, a demographic database at the North Central Texas Council of Governments is queried to determine characteristics of the population at risk. These characteristics include total population, population by sex and age within
each city or town in the path, the percentage living in
single family homes, multi-family dwellings, and manufactured homes. Additionally,
the percentage of the population that, by their own responses to the 2000 Census, do or do not speak English is determined, and the percentage living in urban and rural locations.
This effort introduces Geographic Information System (GIS) technology to the NWS Fort Worth warning process. This tool allows weather data at the NWS to directly integrate with high resolution geographic data created and maintained
by the local and regional governments of North Central Texas.