City vs city
Portsmouth vs Youngstown, OH
Portsmouth currently scores 4 points higher overall than Youngstown, 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
Portsmouth: 46/100 · Youngstown: 42/100
Portsmouth is 4 points higher.
Flood
Portsmouth: 41/100 · Youngstown: 64/100
Youngstown is 23 points higher.
Portsmouth: FEMA NFHL flood zones: 6 features intersect this tile.
Youngstown: FEMA NFHL flood zones: 6 features intersect this tile.
Wind
Portsmouth: 15/100 · Youngstown: 18/100
Youngstown is 3 points higher.
Portsmouth: Wind exposure derived from ingested design wind / climatology tiles.
Youngstown: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Portsmouth: 34/100 · Youngstown: 22/100
Portsmouth is 12 points higher.
Portsmouth: Lightning exposure derived from ingested climatology tiles.
Youngstown: Lightning exposure derived from ingested climatology tiles.
Tornado
Portsmouth: 35/100 · Youngstown: 27/100
Portsmouth is 8 points higher.
Portsmouth: Tornado risk derived from NOAA SPC historical reports.
Youngstown: Tornado risk derived from NOAA SPC historical reports.
Hail
Portsmouth: 100/100 · Youngstown: 100/100
No gap.
Portsmouth: Hail risk derived from NOAA SPC historical reports.
Youngstown: Hail risk derived from NOAA SPC historical reports.
Storm surge
Portsmouth: Unavailable · Youngstown: Unavailable
A score difference cannot be calculated without both sources.
Portsmouth: Storm surge model is not available for this location yet.
Youngstown: Storm surge model is not available for this location yet.
Wildfire
Portsmouth: 58/100 · Youngstown: 35/100
Portsmouth is 23 points higher.
Portsmouth: Wildfire exposure derived from ingested fire potential tiles.
Youngstown: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Portsmouth: 41/100 · Youngstown: 31/100
Portsmouth is 10 points higher.
Portsmouth: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Youngstown: Air quality signal derived from the latest EPA AirNow combined AQI grid.