City vs city
Donna vs South Alamo, TX
South Alamo currently scores 3 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 · South Alamo: 31/100
South Alamo is 3 points higher.
Flood
Donna: Unavailable · South Alamo: Unavailable
A score difference cannot be calculated without both sources.
Donna: Flood model is not available for this location yet.
South Alamo: Flood model is not available for this location yet.
Wind
Donna: 39/100 · South Alamo: 38/100
Donna is 1 points higher.
Donna: Wind exposure derived from ingested design wind / climatology tiles.
South Alamo: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Donna: 34/100 · South Alamo: 34/100
No gap.
Donna: Lightning exposure derived from ingested climatology tiles.
South Alamo: Lightning exposure derived from ingested climatology tiles.
Tornado
Donna: 8/100 · South Alamo: 15/100
South Alamo is 7 points higher.
Donna: Tornado risk derived from NOAA SPC historical reports.
South Alamo: Tornado risk derived from NOAA SPC historical reports.
Hail
Donna: 29/100 · South Alamo: 37/100
South Alamo is 8 points higher.
Donna: Hail risk derived from NOAA SPC historical reports.
South Alamo: Hail risk derived from NOAA SPC historical reports.
Storm surge
Donna: Unavailable · South Alamo: Unavailable
A score difference cannot be calculated without both sources.
Donna: Storm surge model is not available for this location yet.
South Alamo: Storm surge model is not available for this location yet.
Wildfire
Donna: 68/100 · South Alamo: 69/100
South Alamo is 1 points higher.
Donna: Wildfire exposure derived from ingested fire potential tiles.
South Alamo: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Donna: 21/100 · South Alamo: 22/100
South Alamo is 1 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.
South Alamo: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.