City vs city
Harwich Center vs West Chatham, MA
West Chatham currently scores 16 points higher overall than Harwich Center, with the largest gap in flood.
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
Harwich Center: 26/100 · West Chatham: 42/100
West Chatham is 16 points higher.
Flood
Harwich Center: 29/100 · West Chatham: 100/100
West Chatham is 71 points higher.
Harwich Center: FEMA NFHL flood zones: 8 features intersect this tile.
West Chatham: FEMA NFHL flood zones: 6 features intersect this tile.
Wind
Harwich Center: 38/100 · West Chatham: 39/100
West Chatham is 1 points higher.
Harwich Center: Wind exposure derived from ingested design wind / climatology tiles.
West Chatham: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Harwich Center: 8/100 · West Chatham: 7/100
Harwich Center is 1 points higher.
Harwich Center: Lightning exposure derived from ingested climatology tiles.
West Chatham: Lightning exposure derived from ingested climatology tiles.
Tornado
Harwich Center: 8/100 · West Chatham: 0/100
Harwich Center is 8 points higher.
Harwich Center: Tornado risk derived from NOAA SPC historical reports.
West Chatham: Tornado risk derived from NOAA SPC historical reports.
Hail
Harwich Center: 6/100 · West Chatham: 2/100
Harwich Center is 4 points higher.
Harwich Center: Hail risk derived from NOAA SPC historical reports.
West Chatham: Hail risk derived from NOAA SPC historical reports.
Storm surge
Harwich Center: 95/100 · West Chatham: 92/100
Harwich Center is 3 points higher.
Harwich Center: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
West Chatham: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Harwich Center: 5/100 · West Chatham: 36/100
West Chatham is 31 points higher.
Harwich Center: Wildfire exposure derived from ingested fire potential tiles.
West Chatham: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Harwich Center: 21/100 · West Chatham: 21/100
No gap.
Harwich Center: Air quality signal derived from the latest EPA AirNow combined AQI grid.
West Chatham: Air quality signal derived from the latest EPA AirNow combined AQI grid.