City vs city
Alton vs San Carlos I, TX
Alton currently scores 11 points higher overall than San Carlos I, 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
Alton: 41/100 · San Carlos I: 30/100
Alton is 11 points higher.
Flood
Alton: 0/100 · San Carlos I: 33/100
San Carlos I is 33 points higher.
Alton: FEMA NFHL flood zones: 0 features intersect this tile.
San Carlos I: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Alton: 32/100 · San Carlos I: 17/100
Alton is 15 points higher.
Alton: Wind exposure derived from ingested design wind / climatology tiles.
San Carlos I: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Alton: 34/100 · San Carlos I: 29/100
Alton is 5 points higher.
Alton: Lightning exposure derived from ingested climatology tiles.
San Carlos I: Lightning exposure derived from ingested climatology tiles.
Tornado
Alton: 27/100 · San Carlos I: 0/100
Alton is 27 points higher.
Alton: Tornado risk derived from NOAA SPC historical reports.
San Carlos I: Tornado risk derived from NOAA SPC historical reports.
Hail
Alton: 100/100 · San Carlos I: 33/100
Alton is 67 points higher.
Alton: Hail risk derived from NOAA SPC historical reports.
San Carlos I: Hail risk derived from NOAA SPC historical reports.
Storm surge
Alton: Unavailable · San Carlos I: Unavailable
A score difference cannot be calculated without both sources.
Alton: Storm surge model is not available for this location yet.
San Carlos I: Storm surge model is not available for this location yet.
Wildfire
Alton: 67/100 · San Carlos I: 42/100
Alton is 25 points higher.
Alton: Wildfire exposure derived from ingested fire potential tiles.
San Carlos I: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Alton: 26/100 · San Carlos I: 28/100
San Carlos I is 2 points higher.
Alton: Air quality signal derived from the latest EPA AirNow combined AQI grid.
San Carlos I: Air quality signal derived from the latest EPA AirNow combined AQI grid.