City vs city
Grand Isle vs Windham, ME
Windham currently scores 7 points higher overall than Grand Isle, with the largest gap in ingested air quality.
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
Grand Isle: 20/100 · Windham: 27/100
Windham is 7 points higher.
Flood
Grand Isle: Unavailable · Windham: 22/100
A score difference cannot be calculated without both sources.
Grand Isle: Flood model is not available for this location yet.
Windham: FEMA NFHL flood zones: 7 features intersect this tile.
Wind
Grand Isle: 10/100 · Windham: 19/100
Windham is 9 points higher.
Grand Isle: Wind exposure derived from ingested design wind / climatology tiles.
Windham: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Grand Isle: 8/100 · Windham: 6/100
Grand Isle is 2 points higher.
Grand Isle: Lightning exposure derived from ingested climatology tiles.
Windham: Lightning exposure derived from ingested climatology tiles.
Tornado
Grand Isle: 0/100 · Windham: 0/100
No gap.
Grand Isle: Tornado risk derived from NOAA SPC historical reports.
Windham: Tornado risk derived from NOAA SPC historical reports.
Hail
Grand Isle: 4/100 · Windham: 28/100
Windham is 24 points higher.
Grand Isle: Hail risk derived from NOAA SPC historical reports.
Windham: Hail risk derived from NOAA SPC historical reports.
Storm surge
Grand Isle: Unavailable · Windham: Unavailable
A score difference cannot be calculated without both sources.
Grand Isle: Storm surge model is not available for this location yet.
Windham: Storm surge model is not available for this location yet.
Wildfire
Grand Isle: Unavailable · Windham: 59/100
A score difference cannot be calculated without both sources.
Grand Isle: Wildfire model is not available for this location yet.
Windham: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Grand Isle: 76/100 · Windham: 26/100
Grand Isle is 50 points higher.
Grand Isle: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
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.