City vs city
Castle Shannon vs Thompsonville, PA
Castle Shannon and Thompsonville are tied on overall score, with the biggest factor difference 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
Castle Shannon: 35/100 · Thompsonville: 35/100
No gap.
Flood
Castle Shannon: 60/100 · Thompsonville: 68/100
Thompsonville is 8 points higher.
Castle Shannon: FEMA NFHL flood zones: 4 features intersect this tile.
Thompsonville: FEMA NFHL flood zones: 3 features intersect this tile.
Wind
Castle Shannon: 18/100 · Thompsonville: 18/100
No gap.
Castle Shannon: Wind exposure derived from ingested design wind / climatology tiles.
Thompsonville: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Castle Shannon: 23/100 · Thompsonville: 21/100
Castle Shannon is 2 points higher.
Castle Shannon: Lightning exposure derived from ingested climatology tiles.
Thompsonville: Lightning exposure derived from ingested climatology tiles.
Tornado
Castle Shannon: 8/100 · Thompsonville: 4/100
Castle Shannon is 4 points higher.
Castle Shannon: Tornado risk derived from NOAA SPC historical reports.
Thompsonville: Tornado risk derived from NOAA SPC historical reports.
Hail
Castle Shannon: 64/100 · Thompsonville: 66/100
Thompsonville is 2 points higher.
Castle Shannon: Hail risk derived from NOAA SPC historical reports.
Thompsonville: Hail risk derived from NOAA SPC historical reports.
Storm surge
Castle Shannon: Unavailable · Thompsonville: Unavailable
A score difference cannot be calculated without both sources.
Castle Shannon: Storm surge model is not available for this location yet.
Thompsonville: Storm surge model is not available for this location yet.
Wildfire
Castle Shannon: 34/100 · Thompsonville: 32/100
Castle Shannon is 2 points higher.
Castle Shannon: Wildfire exposure derived from ingested fire potential tiles.
Thompsonville: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Castle Shannon: 39/100 · Thompsonville: 37/100
Castle Shannon is 2 points higher.
Castle Shannon: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Thompsonville: Air quality signal derived from the latest EPA AirNow combined AQI grid.