City vs city
Castle Shannon vs Lancaster, PA
Lancaster currently scores 7 points higher overall than Castle Shannon, with the largest gap in lightning.
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
Castle Shannon: 35/100 · Lancaster: 42/100
Lancaster is 7 points higher.
Flood
Castle Shannon: 60/100 · Lancaster: 62/100
Lancaster is 2 points higher.
Castle Shannon: FEMA NFHL flood zones: 4 features intersect this tile.
Lancaster: FEMA NFHL flood zones: 3 features intersect this tile.
Wind
Castle Shannon: 18/100 · Lancaster: 21/100
Lancaster is 3 points higher.
Castle Shannon: Wind exposure derived from ingested design wind / climatology tiles.
Lancaster: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Castle Shannon: 23/100 · Lancaster: 46/100
Lancaster is 23 points higher.
Castle Shannon: Lightning exposure derived from ingested climatology tiles.
Lancaster: Lightning exposure derived from ingested climatology tiles.
Tornado
Castle Shannon: 8/100 · Lancaster: 8/100
No gap.
Castle Shannon: Tornado risk derived from NOAA SPC historical reports.
Lancaster: Tornado risk derived from NOAA SPC historical reports.
Hail
Castle Shannon: 64/100 · Lancaster: 74/100
Lancaster is 10 points higher.
Castle Shannon: Hail risk derived from NOAA SPC historical reports.
Lancaster: Hail risk derived from NOAA SPC historical reports.
Storm surge
Castle Shannon: Unavailable · Lancaster: Unavailable
A score difference cannot be calculated without both sources.
Castle Shannon: Storm surge model is not available for this location yet.
Lancaster: Storm surge model is not available for this location yet.
Wildfire
Castle Shannon: 34/100 · Lancaster: 40/100
Lancaster is 6 points higher.
Castle Shannon: Wildfire exposure derived from ingested fire potential tiles.
Lancaster: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Castle Shannon: 39/100 · Lancaster: 44/100
Lancaster is 5 points higher.
Castle Shannon: 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.