City vs city
Castle Shannon vs Harborcreek Township, PA
Castle Shannon currently scores 5 points higher overall than Harborcreek Township, with the largest gap 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 uses an ingested EPA AirNow snapshot and may not reflect current conditions; 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 · Harborcreek Township: 30/100
Castle Shannon is 5 points higher.
Flood
Castle Shannon: 60/100 · Harborcreek Township: 77/100
Harborcreek Township is 17 points higher.
Castle Shannon: FEMA NFHL flood zones: 4 features intersect this tile.
Harborcreek Township: FEMA NFHL flood zones: 7 features intersect this tile.
Wind
Castle Shannon: 18/100 · Harborcreek Township: 18/100
No gap.
Castle Shannon: Wind exposure derived from ingested design wind / climatology tiles.
Harborcreek Township: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Castle Shannon: 23/100 · Harborcreek Township: 25/100
Harborcreek Township is 2 points higher.
Castle Shannon: Lightning exposure derived from ingested climatology tiles.
Harborcreek Township: Lightning exposure derived from ingested climatology tiles.
Tornado
Castle Shannon: 8/100 · Harborcreek Township: 8/100
No gap.
Castle Shannon: Tornado risk derived from NOAA SPC historical reports.
Harborcreek Township: Tornado risk derived from NOAA SPC historical reports.
Hail
Castle Shannon: 64/100 · Harborcreek Township: 16/100
Castle Shannon is 48 points higher.
Castle Shannon: Hail risk derived from NOAA SPC historical reports.
Harborcreek Township: Hail risk derived from NOAA SPC historical reports.
Storm surge
Castle Shannon: Unavailable · Harborcreek Township: Unavailable
A score difference cannot be calculated without both sources.
Castle Shannon: Storm surge model is not available for this location yet.
Harborcreek Township: Storm surge model is not available for this location yet.
Wildfire
Castle Shannon: 34/100 · Harborcreek Township: 35/100
Harborcreek Township is 1 points higher.
Castle Shannon: Wildfire exposure derived from ingested fire potential tiles.
Harborcreek Township: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Castle Shannon: 39/100 · Harborcreek Township: 33/100
Castle Shannon is 6 points higher.
Castle Shannon: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Harborcreek Township: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.