City vs city
Chalfont vs Souderton, PA
Chalfont currently scores 7 points higher overall than Souderton, with the largest gap in tornado.
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
Chalfont: 40/100 · Souderton: 33/100
Chalfont is 7 points higher.
Flood
Chalfont: 66/100 · Souderton: 64/100
Chalfont is 2 points higher.
Chalfont: FEMA NFHL flood zones: 10 features intersect this tile.
Souderton: FEMA NFHL flood zones: 5 features intersect this tile.
Wind
Chalfont: 22/100 · Souderton: 22/100
No gap.
Chalfont: Wind exposure derived from ingested design wind / climatology tiles.
Souderton: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Chalfont: 34/100 · Souderton: 35/100
Souderton is 1 points higher.
Chalfont: Lightning exposure derived from ingested climatology tiles.
Souderton: Lightning exposure derived from ingested climatology tiles.
Tornado
Chalfont: 35/100 · Souderton: 4/100
Chalfont is 31 points higher.
Chalfont: Tornado risk derived from NOAA SPC historical reports.
Souderton: Tornado risk derived from NOAA SPC historical reports.
Hail
Chalfont: 33/100 · Souderton: 20/100
Chalfont is 13 points higher.
Chalfont: Hail risk derived from NOAA SPC historical reports.
Souderton: Hail risk derived from NOAA SPC historical reports.
Storm surge
Chalfont: Unavailable · Souderton: Unavailable
A score difference cannot be calculated without both sources.
Chalfont: Storm surge model is not available for this location yet.
Souderton: Storm surge model is not available for this location yet.
Wildfire
Chalfont: 48/100 · Souderton: 44/100
Chalfont is 4 points higher.
Chalfont: Wildfire exposure derived from ingested fire potential tiles.
Souderton: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Chalfont: 39/100 · Souderton: 39/100
No gap.
Chalfont: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Souderton: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.