City vs city
Castle Hills vs San Antonio, TX
San Antonio currently scores 2 points higher overall than Castle Hills, 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 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
Castle Hills: 43/100 · San Antonio: 45/100
San Antonio is 2 points higher.
Flood
Castle Hills: 28/100 · San Antonio: 31/100
San Antonio is 3 points higher.
Castle Hills: FEMA NFHL flood zones: 7 features intersect this tile.
San Antonio: FEMA NFHL flood zones: 14 features intersect this tile.
Wind
Castle Hills: 16/100 · San Antonio: 16/100
No gap.
Castle Hills: Wind exposure derived from ingested design wind / climatology tiles.
San Antonio: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Castle Hills: 41/100 · San Antonio: 44/100
San Antonio is 3 points higher.
Castle Hills: Lightning exposure derived from ingested climatology tiles.
San Antonio: Lightning exposure derived from ingested climatology tiles.
Tornado
Castle Hills: 31/100 · San Antonio: 42/100
San Antonio is 11 points higher.
Castle Hills: Tornado risk derived from NOAA SPC historical reports.
San Antonio: Tornado risk derived from NOAA SPC historical reports.
Hail
Castle Hills: 100/100 · San Antonio: 100/100
No gap.
Castle Hills: Hail risk derived from NOAA SPC historical reports.
San Antonio: Hail risk derived from NOAA SPC historical reports.
Storm surge
Castle Hills: Unavailable · San Antonio: Unavailable
A score difference cannot be calculated without both sources.
Castle Hills: Storm surge model is not available for this location yet.
San Antonio: Storm surge model is not available for this location yet.
Wildfire
Castle Hills: 56/100 · San Antonio: 54/100
Castle Hills is 2 points higher.
Castle Hills: Wildfire exposure derived from ingested fire potential tiles.
San Antonio: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Castle Hills: 27/100 · San Antonio: 26/100
Castle Hills is 1 points higher.
Castle Hills: 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.