City vs city
Hampton Beach vs Portsmouth, NH
Hampton Beach and Portsmouth are tied on overall score, with the biggest factor difference 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
Hampton Beach: 41/100 · Portsmouth: 41/100
No gap.
Flood
Hampton Beach: 86/100 · Portsmouth: 73/100
Hampton Beach is 13 points higher.
Hampton Beach: FEMA NFHL flood zones: 11 features intersect this tile.
Portsmouth: FEMA NFHL flood zones: 12 features intersect this tile.
Wind
Hampton Beach: 23/100 · Portsmouth: 23/100
No gap.
Hampton Beach: Wind exposure derived from ingested design wind / climatology tiles.
Portsmouth: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Hampton Beach: 7/100 · Portsmouth: 6/100
Hampton Beach is 1 points higher.
Hampton Beach: Lightning exposure derived from ingested climatology tiles.
Portsmouth: Lightning exposure derived from ingested climatology tiles.
Tornado
Hampton Beach: 15/100 · Portsmouth: 0/100
Hampton Beach is 15 points higher.
Hampton Beach: Tornado risk derived from NOAA SPC historical reports.
Portsmouth: Tornado risk derived from NOAA SPC historical reports.
Hail
Hampton Beach: 40/100 · Portsmouth: 22/100
Hampton Beach is 18 points higher.
Hampton Beach: Hail risk derived from NOAA SPC historical reports.
Portsmouth: Hail risk derived from NOAA SPC historical reports.
Storm surge
Hampton Beach: 90/100 · Portsmouth: 98/100
Portsmouth is 8 points higher.
Hampton Beach: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Portsmouth: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Hampton Beach: 44/100 · Portsmouth: 43/100
Hampton Beach is 1 points higher.
Hampton Beach: Wildfire exposure derived from ingested fire potential tiles.
Portsmouth: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Hampton Beach: 23/100 · Portsmouth: 23/100
No gap.
Hampton Beach: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Portsmouth: Air quality signal derived from the latest EPA AirNow combined AQI grid.