City vs city
North Windham vs South Portland, ME
South Portland currently scores 2 points higher overall than North Windham, 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
North Windham: 31/100 · South Portland: 33/100
South Portland is 2 points higher.
Flood
North Windham: 41/100 · South Portland: 39/100
North Windham is 2 points higher.
North Windham: FEMA NFHL flood zones: 9 features intersect this tile.
South Portland: FEMA NFHL flood zones: 16 features intersect this tile.
Wind
North Windham: 18/100 · South Portland: 20/100
South Portland is 2 points higher.
North Windham: Wind exposure derived from ingested design wind / climatology tiles.
South Portland: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
North Windham: 6/100 · South Portland: 4/100
North Windham is 2 points higher.
North Windham: Lightning exposure derived from ingested climatology tiles.
South Portland: Lightning exposure derived from ingested climatology tiles.
Tornado
North Windham: 0/100 · South Portland: 0/100
No gap.
North Windham: Tornado risk derived from NOAA SPC historical reports.
South Portland: Tornado risk derived from NOAA SPC historical reports.
Hail
North Windham: 40/100 · South Portland: 31/100
North Windham is 9 points higher.
North Windham: Hail risk derived from NOAA SPC historical reports.
South Portland: Hail risk derived from NOAA SPC historical reports.
Storm surge
North Windham: Unavailable · South Portland: 99/100
A score difference cannot be calculated without both sources.
North Windham: Storm surge model is not available for this location yet.
South Portland: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
North Windham: 53/100 · South Portland: 9/100
North Windham is 44 points higher.
North Windham: Wildfire exposure derived from ingested fire potential tiles.
South Portland: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
North Windham: 26/100 · South Portland: 26/100
No gap.
North Windham: Air quality signal derived from the latest EPA AirNow combined AQI grid.
South Portland: Air quality signal derived from the latest EPA AirNow combined AQI grid.