City vs city
Portland vs South Berwick, ME
Portland currently scores 13 points higher overall than South Berwick, 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
Portland: 33/100 · South Berwick: 20/100
Portland is 13 points higher.
Flood
Portland: 39/100 · South Berwick: 20/100
Portland is 19 points higher.
Portland: FEMA NFHL flood zones: 16 features intersect this tile.
South Berwick: FEMA NFHL flood zones: 7 features intersect this tile.
Wind
Portland: 20/100 · South Berwick: 21/100
South Berwick is 1 points higher.
Portland: Wind exposure derived from ingested design wind / climatology tiles.
South Berwick: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Portland: 4/100 · South Berwick: 6/100
South Berwick is 2 points higher.
Portland: Lightning exposure derived from ingested climatology tiles.
South Berwick: Lightning exposure derived from ingested climatology tiles.
Tornado
Portland: 0/100 · South Berwick: 8/100
South Berwick is 8 points higher.
Portland: Tornado risk derived from NOAA SPC historical reports.
South Berwick: Tornado risk derived from NOAA SPC historical reports.
Hail
Portland: 31/100 · South Berwick: 12/100
Portland is 19 points higher.
Portland: Hail risk derived from NOAA SPC historical reports.
South Berwick: Hail risk derived from NOAA SPC historical reports.
Storm surge
Portland: 99/100 · South Berwick: Unavailable
A score difference cannot be calculated without both sources.
Portland: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
South Berwick: Storm surge model is not available for this location yet.
Wildfire
Portland: 9/100 · South Berwick: 53/100
South Berwick is 44 points higher.
Portland: Wildfire exposure derived from ingested fire potential tiles.
South Berwick: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Portland: 26/100 · South Berwick: 23/100
Portland is 3 points higher.
Portland: 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 Berwick: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.