City vs city
Alton vs Sullivan City, TX
Alton currently scores 13 points higher overall than Sullivan City, 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 · Sullivan City: 28/100
Alton is 13 points higher.
Flood
Alton: 0/100 · Sullivan City: 4/100
Sullivan City is 4 points higher.
Alton: FEMA NFHL flood zones: 0 features intersect this tile.
Sullivan City: FEMA NFHL flood zones: 2 features intersect this tile.
Wind
Alton: 32/100 · Sullivan City: 27/100
Alton is 5 points higher.
Alton: Wind exposure derived from ingested design wind / climatology tiles.
Sullivan City: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Alton: 34/100 · Sullivan City: 34/100
No gap.
Alton: Lightning exposure derived from ingested climatology tiles.
Sullivan City: Lightning exposure derived from ingested climatology tiles.
Tornado
Alton: 27/100 · Sullivan City: 0/100
Alton is 27 points higher.
Alton: Tornado risk derived from NOAA SPC historical reports.
Sullivan City: Tornado risk derived from NOAA SPC historical reports.
Hail
Alton: 100/100 · Sullivan City: 24/100
Alton is 76 points higher.
Alton: Hail risk derived from NOAA SPC historical reports.
Sullivan City: Hail risk derived from NOAA SPC historical reports.
Storm surge
Alton: Unavailable · Sullivan City: Unavailable
A score difference cannot be calculated without both sources.
Alton: Storm surge model is not available for this location yet.
Sullivan City: Storm surge model is not available for this location yet.
Wildfire
Alton: 67/100 · Sullivan City: 54/100
Alton is 13 points higher.
Alton: Wildfire exposure derived from ingested fire potential tiles.
Sullivan City: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Alton: 26/100 · Sullivan City: 25/100
Alton is 1 points higher.
Alton: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Sullivan City: Air quality signal derived from the latest EPA AirNow combined AQI grid.