City vs city
Columbus vs Portsmouth, OH
Portsmouth currently scores 8 points higher overall than Columbus, with the largest gap in wildfire.
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
Columbus: 38/100 · Portsmouth: 46/100
Portsmouth is 8 points higher.
Flood
Columbus: 52/100 · Portsmouth: 41/100
Columbus is 11 points higher.
Columbus: FEMA NFHL flood zones: 3 features intersect this tile.
Portsmouth: FEMA NFHL flood zones: 6 features intersect this tile.
Wind
Columbus: 16/100 · Portsmouth: 15/100
Columbus is 1 points higher.
Columbus: Wind exposure derived from ingested design wind / climatology tiles.
Portsmouth: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Columbus: 27/100 · Portsmouth: 34/100
Portsmouth is 7 points higher.
Columbus: Lightning exposure derived from ingested climatology tiles.
Portsmouth: Lightning exposure derived from ingested climatology tiles.
Tornado
Columbus: 38/100 · Portsmouth: 35/100
Columbus is 3 points higher.
Columbus: Tornado risk derived from NOAA SPC historical reports.
Portsmouth: Tornado risk derived from NOAA SPC historical reports.
Hail
Columbus: 83/100 · Portsmouth: 100/100
Portsmouth is 17 points higher.
Columbus: Hail risk derived from NOAA SPC historical reports.
Portsmouth: Hail risk derived from NOAA SPC historical reports.
Storm surge
Columbus: Unavailable · Portsmouth: Unavailable
A score difference cannot be calculated without both sources.
Columbus: Storm surge model is not available for this location yet.
Portsmouth: Storm surge model is not available for this location yet.
Wildfire
Columbus: 18/100 · Portsmouth: 58/100
Portsmouth is 40 points higher.
Columbus: Wildfire exposure derived from ingested fire potential tiles.
Portsmouth: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Columbus: 34/100 · Portsmouth: 41/100
Portsmouth is 7 points higher.
Columbus: 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.