City vs city
East Merrimack vs West Chesterfield, NH
East Merrimack currently scores 15 points higher overall than West Chesterfield, 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
East Merrimack: 34/100 · West Chesterfield: 19/100
East Merrimack is 15 points higher.
Flood
East Merrimack: 100/100 · West Chesterfield: 5/100
East Merrimack is 95 points higher.
East Merrimack: FEMA NFHL flood zones: 29 features intersect this tile.
West Chesterfield: FEMA NFHL flood zones: 1 features intersect this tile.
Wind
East Merrimack: 22/100 · West Chesterfield: 19/100
East Merrimack is 3 points higher.
East Merrimack: Wind exposure derived from ingested design wind / climatology tiles.
West Chesterfield: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
East Merrimack: 7/100 · West Chesterfield: 15/100
West Chesterfield is 8 points higher.
East Merrimack: Lightning exposure derived from ingested climatology tiles.
West Chesterfield: Lightning exposure derived from ingested climatology tiles.
Tornado
East Merrimack: 8/100 · West Chesterfield: 8/100
No gap.
East Merrimack: Tornado risk derived from NOAA SPC historical reports.
West Chesterfield: Tornado risk derived from NOAA SPC historical reports.
Hail
East Merrimack: 26/100 · West Chesterfield: 31/100
West Chesterfield is 5 points higher.
East Merrimack: Hail risk derived from NOAA SPC historical reports.
West Chesterfield: Hail risk derived from NOAA SPC historical reports.
Storm surge
East Merrimack: Unavailable · West Chesterfield: Unavailable
A score difference cannot be calculated without both sources.
East Merrimack: Storm surge model is not available for this location yet.
West Chesterfield: Storm surge model is not available for this location yet.
Wildfire
East Merrimack: 55/100 · West Chesterfield: 36/100
East Merrimack is 19 points higher.
East Merrimack: Wildfire exposure derived from ingested fire potential tiles.
West Chesterfield: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
East Merrimack: 20/100 · West Chesterfield: 22/100
West Chesterfield is 2 points higher.
East Merrimack: Air quality signal derived from the latest EPA AirNow combined AQI grid.
West Chesterfield: Air quality signal derived from the latest EPA AirNow combined AQI grid.