City vs city
Portsmouth vs West Portsmouth, OH
Portsmouth currently scores 10 points higher overall than West Portsmouth, 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 uses an ingested EPA AirNow snapshot and may not reflect current conditions; 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
Portsmouth: 46/100 · West Portsmouth: 36/100
Portsmouth is 10 points higher.
Flood
Portsmouth: 41/100 · West Portsmouth: 81/100
West Portsmouth is 40 points higher.
Portsmouth: FEMA NFHL flood zones: 6 features intersect this tile.
West Portsmouth: FEMA NFHL flood zones: 9 features intersect this tile.
Wind
Portsmouth: 15/100 · West Portsmouth: 15/100
No gap.
Portsmouth: Wind exposure derived from ingested design wind / climatology tiles.
West Portsmouth: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Portsmouth: 34/100 · West Portsmouth: 33/100
Portsmouth is 1 points higher.
Portsmouth: Lightning exposure derived from ingested climatology tiles.
West Portsmouth: Lightning exposure derived from ingested climatology tiles.
Tornado
Portsmouth: 35/100 · West Portsmouth: 4/100
Portsmouth is 31 points higher.
Portsmouth: Tornado risk derived from NOAA SPC historical reports.
West Portsmouth: Tornado risk derived from NOAA SPC historical reports.
Hail
Portsmouth: 100/100 · West Portsmouth: 36/100
Portsmouth is 64 points higher.
Portsmouth: Hail risk derived from NOAA SPC historical reports.
West Portsmouth: Hail risk derived from NOAA SPC historical reports.
Storm surge
Portsmouth: Unavailable · West Portsmouth: Unavailable
A score difference cannot be calculated without both sources.
Portsmouth: Storm surge model is not available for this location yet.
West Portsmouth: Storm surge model is not available for this location yet.
Wildfire
Portsmouth: 58/100 · West Portsmouth: 42/100
Portsmouth is 16 points higher.
Portsmouth: Wildfire exposure derived from ingested fire potential tiles.
West Portsmouth: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Portsmouth: 41/100 · West Portsmouth: 41/100
No gap.
Portsmouth: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
West Portsmouth: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.