City vs city
Grand Prairie vs Houston, TX
Houston currently scores 4 points higher overall than Grand Prairie, with the largest gap in tornado.
Use this comparison for relocation decisions, insurance shopping, and hazard-prioritized mitigation planning.
Hazard breakdown
Scores describe each city’s reference grid tile, not every property. A missing model is unavailable, not zero risk. Air quality is a current EPA AirNow signal; other factors describe baseline exposure. The overall score blends different hazards and is not a probability of damage. Read the scoring methodology and sources.
Overall
Grand Prairie: 44/100 · Houston: 48/100
Houston is 4 points higher.
Flood
Grand Prairie: 44/100 · Houston: 40/100
Grand Prairie is 4 points higher.
Grand Prairie: FEMA NFHL flood zones: 19 features intersect this tile.
Houston: FEMA NFHL flood zones: 20 features intersect this tile.
Wind
Grand Prairie: 14/100 · Houston: 42/100
Houston is 28 points higher.
Grand Prairie: Wind exposure derived from ingested design wind / climatology tiles.
Houston: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Grand Prairie: 54/100 · Houston: 71/100
Houston is 17 points higher.
Grand Prairie: Lightning exposure derived from ingested climatology tiles.
Houston: Lightning exposure derived from ingested climatology tiles.
Tornado
Grand Prairie: 4/100 · Houston: 50/100
Houston is 46 points higher.
Grand Prairie: Tornado risk derived from NOAA SPC historical reports.
Houston: Tornado risk derived from NOAA SPC historical reports.
Hail
Grand Prairie: 100/100 · Houston: 58/100
Grand Prairie is 42 points higher.
Grand Prairie: Hail risk derived from NOAA SPC historical reports.
Houston: Hail risk derived from NOAA SPC historical reports.
Storm surge
Grand Prairie: Unavailable · Houston: Unavailable
A score difference cannot be calculated without both sources.
Grand Prairie: Storm surge model is not available for this location yet.
Houston: Storm surge model is not available for this location yet.
Wildfire
Grand Prairie: 63/100 · Houston: 51/100
Grand Prairie is 12 points higher.
Grand Prairie: Wildfire exposure derived from ingested fire potential tiles.
Houston: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Grand Prairie: 29/100 · Houston: 27/100
Grand Prairie is 2 points higher.
Grand Prairie: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Houston: Air quality signal derived from the latest EPA AirNow combined AQI grid.