City vs city
Donna vs San Antonio, TX
San Antonio currently scores 15 points higher overall than Donna, 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 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
Donna: 28/100 · San Antonio: 43/100
San Antonio is 15 points higher.
Flood
Donna: Unavailable · San Antonio: 26/100
A score difference cannot be calculated without both sources.
Donna: Flood model is not available for this location yet.
San Antonio: FEMA NFHL flood zones: 6 features intersect this tile.
Wind
Donna: 39/100 · San Antonio: 17/100
Donna is 22 points higher.
Donna: Wind exposure derived from ingested design wind / climatology tiles.
San Antonio: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Donna: 34/100 · San Antonio: 37/100
San Antonio is 3 points higher.
Donna: Lightning exposure derived from ingested climatology tiles.
San Antonio: Lightning exposure derived from ingested climatology tiles.
Tornado
Donna: 8/100 · San Antonio: 38/100
San Antonio is 30 points higher.
Donna: Tornado risk derived from NOAA SPC historical reports.
San Antonio: Tornado risk derived from NOAA SPC historical reports.
Hail
Donna: 29/100 · San Antonio: 100/100
San Antonio is 71 points higher.
Donna: Hail risk derived from NOAA SPC historical reports.
San Antonio: Hail risk derived from NOAA SPC historical reports.
Storm surge
Donna: Unavailable · San Antonio: Unavailable
A score difference cannot be calculated without both sources.
Donna: Storm surge model is not available for this location yet.
San Antonio: Storm surge model is not available for this location yet.
Wildfire
Donna: 68/100 · San Antonio: 57/100
Donna is 11 points higher.
Donna: Wildfire exposure derived from ingested fire potential tiles.
San Antonio: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Donna: 21/100 · San Antonio: 28/100
San Antonio is 7 points higher.
Donna: 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.
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