City vs city
Manchester vs Somersworth, NH
Somersworth currently scores 7 points higher overall than Manchester, with the largest gap in hail.
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
Manchester: 33/100 · Somersworth: 40/100
Somersworth is 7 points higher.
Flood
Manchester: 65/100 · Somersworth: 30/100
Manchester is 35 points higher.
Manchester: FEMA NFHL flood zones: 18 features intersect this tile.
Somersworth: FEMA NFHL flood zones: 5 features intersect this tile.
Wind
Manchester: 22/100 · Somersworth: 21/100
Manchester is 1 points higher.
Manchester: Wind exposure derived from ingested design wind / climatology tiles.
Somersworth: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Manchester: 8/100 · Somersworth: 6/100
Manchester is 2 points higher.
Manchester: Lightning exposure derived from ingested climatology tiles.
Somersworth: Lightning exposure derived from ingested climatology tiles.
Tornado
Manchester: 0/100 · Somersworth: 8/100
Somersworth is 8 points higher.
Manchester: Tornado risk derived from NOAA SPC historical reports.
Somersworth: Tornado risk derived from NOAA SPC historical reports.
Hail
Manchester: 27/100 · Somersworth: 100/100
Somersworth is 73 points higher.
Manchester: Hail risk derived from NOAA SPC historical reports.
Somersworth: Hail risk derived from NOAA SPC historical reports.
Storm surge
Manchester: Unavailable · Somersworth: 97/100
A score difference cannot be calculated without both sources.
Manchester: Storm surge model is not available for this location yet.
Somersworth: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Manchester: 55/100 · Somersworth: 36/100
Manchester is 19 points higher.
Manchester: Wildfire exposure derived from ingested fire potential tiles.
Somersworth: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Manchester: 20/100 · Somersworth: 23/100
Somersworth is 3 points higher.
Manchester: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Somersworth: Air quality signal derived from the latest EPA AirNow combined AQI grid.