City vs city
Alliance vs Dayton, OH
Dayton currently scores 6 points higher overall than Alliance, with the largest gap in wildfire.
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
Alliance: 25/100 · Dayton: 31/100
Dayton is 6 points higher.
Flood
Alliance: 55/100 · Dayton: 59/100
Dayton is 4 points higher.
Alliance: FEMA NFHL flood zones: 4 features intersect this tile.
Dayton: FEMA NFHL flood zones: 5 features intersect this tile.
Wind
Alliance: 18/100 · Dayton: 15/100
Alliance is 3 points higher.
Alliance: Wind exposure derived from ingested design wind / climatology tiles.
Dayton: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Alliance: 19/100 · Dayton: 38/100
Dayton is 19 points higher.
Alliance: Lightning exposure derived from ingested climatology tiles.
Dayton: Lightning exposure derived from ingested climatology tiles.
Tornado
Alliance: 8/100 · Dayton: 0/100
Alliance is 8 points higher.
Alliance: Tornado risk derived from NOAA SPC historical reports.
Dayton: Tornado risk derived from NOAA SPC historical reports.
Hail
Alliance: 10/100 · Dayton: 39/100
Dayton is 29 points higher.
Alliance: Hail risk derived from NOAA SPC historical reports.
Dayton: Hail risk derived from NOAA SPC historical reports.
Storm surge
Alliance: Unavailable · Dayton: Unavailable
A score difference cannot be calculated without both sources.
Alliance: Storm surge model is not available for this location yet.
Dayton: Storm surge model is not available for this location yet.
Wildfire
Alliance: 32/100 · Dayton: 2/100
Alliance is 30 points higher.
Alliance: Wildfire exposure derived from ingested fire potential tiles.
Dayton: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Alliance: 36/100 · Dayton: 35/100
Alliance is 1 points higher.
Alliance: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Dayton: Air quality signal derived from the latest EPA AirNow combined AQI grid.