City vs city
Nassau Bay vs San Antonio, TX
Nassau Bay currently scores 20 points higher overall than San Antonio, with the largest gap in flood.
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 uses an ingested EPA AirNow snapshot and may not reflect current conditions; 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
Nassau Bay: 65/100 · San Antonio: 45/100
Nassau Bay is 20 points higher.
Flood
Nassau Bay: 71/100 · San Antonio: 31/100
Nassau Bay is 40 points higher.
Nassau Bay: FEMA NFHL flood zones: 33 features intersect this tile.
San Antonio: FEMA NFHL flood zones: 14 features intersect this tile.
Wind
Nassau Bay: 49/100 · San Antonio: 16/100
Nassau Bay is 33 points higher.
Nassau Bay: Wind exposure derived from ingested design wind / climatology tiles.
San Antonio: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Nassau Bay: 63/100 · San Antonio: 44/100
Nassau Bay is 19 points higher.
Nassau Bay: Lightning exposure derived from ingested climatology tiles.
San Antonio: Lightning exposure derived from ingested climatology tiles.
Tornado
Nassau Bay: 77/100 · San Antonio: 42/100
Nassau Bay is 35 points higher.
Nassau Bay: Tornado risk derived from NOAA SPC historical reports.
San Antonio: Tornado risk derived from NOAA SPC historical reports.
Hail
Nassau Bay: 95/100 · San Antonio: 100/100
San Antonio is 5 points higher.
Nassau Bay: Hail risk derived from NOAA SPC historical reports.
San Antonio: Hail risk derived from NOAA SPC historical reports.
Storm surge
Nassau Bay: 99/100 · San Antonio: Unavailable
A score difference cannot be calculated without both sources.
Nassau Bay: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
San Antonio: Storm surge model is not available for this location yet.
Wildfire
Nassau Bay: 42/100 · San Antonio: 54/100
San Antonio is 12 points higher.
Nassau Bay: Wildfire exposure derived from ingested fire potential tiles.
San Antonio: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Nassau Bay: 26/100 · San Antonio: 26/100
No gap.
Nassau Bay: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
San Antonio: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.