City vs city
Galveston vs San Antonio, TX
San Antonio currently scores 10 points higher overall than Galveston, with the largest gap in hail.
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
Galveston: 38/100 · San Antonio: 48/100
San Antonio is 10 points higher.
Flood
Galveston: 0/100 · San Antonio: 33/100
San Antonio is 33 points higher.
Galveston: FEMA NFHL flood zones: 25 features intersect this tile.
San Antonio: FEMA NFHL flood zones: 13 features intersect this tile.
Wind
Galveston: 55/100 · San Antonio: 17/100
Galveston is 38 points higher.
Galveston: Wind exposure derived from ingested design wind / climatology tiles.
San Antonio: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Galveston: 51/100 · San Antonio: 38/100
Galveston is 13 points higher.
Galveston: Lightning exposure derived from ingested climatology tiles.
San Antonio: Lightning exposure derived from ingested climatology tiles.
Tornado
Galveston: 58/100 · San Antonio: 62/100
San Antonio is 4 points higher.
Galveston: Tornado risk derived from NOAA SPC historical reports.
San Antonio: Tornado risk derived from NOAA SPC historical reports.
Hail
Galveston: 17/100 · San Antonio: 100/100
San Antonio is 83 points higher.
Galveston: Hail risk derived from NOAA SPC historical reports.
San Antonio: Hail risk derived from NOAA SPC historical reports.
Storm surge
Galveston: 97/100 · San Antonio: Unavailable
A score difference cannot be calculated without both sources.
Galveston: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
San Antonio: Storm surge model is not available for this location yet.
Wildfire
Galveston: 1/100 · San Antonio: 60/100
San Antonio is 59 points higher.
Galveston: Wildfire exposure derived from ingested fire potential tiles.
San Antonio: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Galveston: 27/100 · San Antonio: 28/100
San Antonio is 1 points higher.
Galveston: Air quality signal derived from the latest EPA AirNow combined AQI grid.
San Antonio: Air quality signal derived from the latest EPA AirNow combined AQI grid.