City vs city
Chesnut Hill vs Lancaster, PA
Chesnut Hill and Lancaster are tied on overall score, with the biggest factor difference 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 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
Chesnut Hill: 42/100 · Lancaster: 42/100
No gap.
Flood
Chesnut Hill: 76/100 · Lancaster: 62/100
Chesnut Hill is 14 points higher.
Chesnut Hill: FEMA NFHL flood zones: 9 features intersect this tile.
Lancaster: FEMA NFHL flood zones: 3 features intersect this tile.
Wind
Chesnut Hill: 21/100 · Lancaster: 21/100
No gap.
Chesnut Hill: Wind exposure derived from ingested design wind / climatology tiles.
Lancaster: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Chesnut Hill: 25/100 · Lancaster: 46/100
Lancaster is 21 points higher.
Chesnut Hill: Lightning exposure derived from ingested climatology tiles.
Lancaster: Lightning exposure derived from ingested climatology tiles.
Tornado
Chesnut Hill: 0/100 · Lancaster: 8/100
Lancaster is 8 points higher.
Chesnut Hill: Tornado risk derived from NOAA SPC historical reports.
Lancaster: Tornado risk derived from NOAA SPC historical reports.
Hail
Chesnut Hill: 38/100 · Lancaster: 74/100
Lancaster is 36 points higher.
Chesnut Hill: Hail risk derived from NOAA SPC historical reports.
Lancaster: Hail risk derived from NOAA SPC historical reports.
Storm surge
Chesnut Hill: Unavailable · Lancaster: Unavailable
A score difference cannot be calculated without both sources.
Chesnut Hill: Storm surge model is not available for this location yet.
Lancaster: Storm surge model is not available for this location yet.
Wildfire
Chesnut Hill: 55/100 · Lancaster: 40/100
Chesnut Hill is 15 points higher.
Chesnut Hill: Wildfire exposure derived from ingested fire potential tiles.
Lancaster: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Chesnut Hill: 37/100 · Lancaster: 44/100
Lancaster is 7 points higher.
Chesnut Hill: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Lancaster: Air quality signal derived from the latest EPA AirNow combined AQI grid.