City vs city
North Woodstock vs Portsmouth, NH
Portsmouth currently scores 17 points higher overall than North Woodstock, 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
North Woodstock: 24/100 · Portsmouth: 41/100
Portsmouth is 17 points higher.
Flood
North Woodstock: 52/100 · Portsmouth: 73/100
Portsmouth is 21 points higher.
North Woodstock: FEMA NFHL flood zones: 3 features intersect this tile.
Portsmouth: FEMA NFHL flood zones: 12 features intersect this tile.
Wind
North Woodstock: 17/100 · Portsmouth: 23/100
Portsmouth is 6 points higher.
North Woodstock: Wind exposure derived from ingested design wind / climatology tiles.
Portsmouth: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
North Woodstock: 14/100 · Portsmouth: 6/100
North Woodstock is 8 points higher.
North Woodstock: Lightning exposure derived from ingested climatology tiles.
Portsmouth: Lightning exposure derived from ingested climatology tiles.
Tornado
North Woodstock: 0/100 · Portsmouth: 0/100
No gap.
North Woodstock: Tornado risk derived from NOAA SPC historical reports.
Portsmouth: Tornado risk derived from NOAA SPC historical reports.
Hail
North Woodstock: 3/100 · Portsmouth: 22/100
Portsmouth is 19 points higher.
North Woodstock: Hail risk derived from NOAA SPC historical reports.
Portsmouth: Hail risk derived from NOAA SPC historical reports.
Storm surge
North Woodstock: Unavailable · Portsmouth: 98/100
A score difference cannot be calculated without both sources.
North Woodstock: Storm surge model is not available for this location yet.
Portsmouth: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
North Woodstock: 40/100 · Portsmouth: 43/100
Portsmouth is 3 points higher.
North Woodstock: Wildfire exposure derived from ingested fire potential tiles.
Portsmouth: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
North Woodstock: 19/100 · Portsmouth: 23/100
Portsmouth is 4 points higher.
North Woodstock: 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.