City vs city
Cornwall vs Palmyra, PA
Palmyra currently scores 2 points higher overall than Cornwall, 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
Cornwall: 35/100 · Palmyra: 37/100
Palmyra is 2 points higher.
Flood
Cornwall: 64/100 · Palmyra: 74/100
Palmyra is 10 points higher.
Cornwall: FEMA NFHL flood zones: 4 features intersect this tile.
Palmyra: FEMA NFHL flood zones: 7 features intersect this tile.
Wind
Cornwall: 21/100 · Palmyra: 20/100
Cornwall is 1 points higher.
Cornwall: Wind exposure derived from ingested design wind / climatology tiles.
Palmyra: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Cornwall: 42/100 · Palmyra: 40/100
Cornwall is 2 points higher.
Cornwall: Lightning exposure derived from ingested climatology tiles.
Palmyra: Lightning exposure derived from ingested climatology tiles.
Tornado
Cornwall: 15/100 · Palmyra: 23/100
Palmyra is 8 points higher.
Cornwall: Tornado risk derived from NOAA SPC historical reports.
Palmyra: Tornado risk derived from NOAA SPC historical reports.
Hail
Cornwall: 22/100 · Palmyra: 20/100
Cornwall is 2 points higher.
Cornwall: Hail risk derived from NOAA SPC historical reports.
Palmyra: Hail risk derived from NOAA SPC historical reports.
Storm surge
Cornwall: Unavailable · Palmyra: Unavailable
A score difference cannot be calculated without both sources.
Cornwall: Storm surge model is not available for this location yet.
Palmyra: Storm surge model is not available for this location yet.
Wildfire
Cornwall: 42/100 · Palmyra: 37/100
Cornwall is 5 points higher.
Cornwall: Wildfire exposure derived from ingested fire potential tiles.
Palmyra: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Cornwall: 41/100 · Palmyra: 42/100
Palmyra is 1 points higher.
Cornwall: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Palmyra: Air quality signal derived from the latest EPA AirNow combined AQI grid.