City vs city
Northwest Harwich vs West Dennis, MA
Northwest Harwich and West Dennis are tied on overall score, with the biggest factor difference 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
Northwest Harwich: 32/100 · West Dennis: 32/100
No gap.
Flood
Northwest Harwich: 43/100 · West Dennis: 43/100
No gap.
Northwest Harwich: FEMA NFHL flood zones: 14 features intersect this tile.
West Dennis: FEMA NFHL flood zones: 14 features intersect this tile.
Wind
Northwest Harwich: 37/100 · West Dennis: 37/100
No gap.
Northwest Harwich: Wind exposure derived from ingested design wind / climatology tiles.
West Dennis: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Northwest Harwich: 9/100 · West Dennis: 9/100
No gap.
Northwest Harwich: Lightning exposure derived from ingested climatology tiles.
West Dennis: Lightning exposure derived from ingested climatology tiles.
Tornado
Northwest Harwich: 0/100 · West Dennis: 0/100
No gap.
Northwest Harwich: Tornado risk derived from NOAA SPC historical reports.
West Dennis: Tornado risk derived from NOAA SPC historical reports.
Hail
Northwest Harwich: 7/100 · West Dennis: 7/100
No gap.
Northwest Harwich: Hail risk derived from NOAA SPC historical reports.
West Dennis: Hail risk derived from NOAA SPC historical reports.
Storm surge
Northwest Harwich: 97/100 · West Dennis: 97/100
No gap.
Northwest Harwich: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
West Dennis: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Northwest Harwich: 6/100 · West Dennis: 6/100
No gap.
Northwest Harwich: Wildfire exposure derived from ingested fire potential tiles.
West Dennis: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Northwest Harwich: 26/100 · West Dennis: 26/100
No gap.
Northwest Harwich: Air quality signal derived from the latest EPA AirNow combined AQI grid.
West Dennis: Air quality signal derived from the latest EPA AirNow combined AQI grid.