City vs city
Lewiston vs South Windham, ME
South Windham currently scores 7 points higher overall than Lewiston, 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 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
Lewiston: 20/100 · South Windham: 27/100
South Windham is 7 points higher.
Flood
Lewiston: 25/100 · South Windham: 22/100
Lewiston is 3 points higher.
Lewiston: FEMA NFHL flood zones: 7 features intersect this tile.
South Windham: FEMA NFHL flood zones: 7 features intersect this tile.
Wind
Lewiston: 18/100 · South Windham: 19/100
South Windham is 1 points higher.
Lewiston: Wind exposure derived from ingested design wind / climatology tiles.
South Windham: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Lewiston: 8/100 · South Windham: 6/100
Lewiston is 2 points higher.
Lewiston: Lightning exposure derived from ingested climatology tiles.
South Windham: Lightning exposure derived from ingested climatology tiles.
Tornado
Lewiston: 0/100 · South Windham: 0/100
No gap.
Lewiston: Tornado risk derived from NOAA SPC historical reports.
South Windham: Tornado risk derived from NOAA SPC historical reports.
Hail
Lewiston: 11/100 · South Windham: 28/100
South Windham is 17 points higher.
Lewiston: Hail risk derived from NOAA SPC historical reports.
South Windham: Hail risk derived from NOAA SPC historical reports.
Storm surge
Lewiston: Unavailable · South Windham: Unavailable
A score difference cannot be calculated without both sources.
Lewiston: Storm surge model is not available for this location yet.
South Windham: Storm surge model is not available for this location yet.
Wildfire
Lewiston: 39/100 · South Windham: 59/100
South Windham is 20 points higher.
Lewiston: Wildfire exposure derived from ingested fire potential tiles.
South Windham: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Lewiston: 19/100 · South Windham: 26/100
South Windham is 7 points higher.
Lewiston: 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 Windham: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.