City vs city
Harleysville vs Lansdale, PA
Lansdale currently scores 2 points higher overall than Harleysville, 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 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
Harleysville: 38/100 · Lansdale: 40/100
Lansdale is 2 points higher.
Flood
Harleysville: 66/100 · Lansdale: 66/100
No gap.
Harleysville: FEMA NFHL flood zones: 4 features intersect this tile.
Lansdale: FEMA NFHL flood zones: 10 features intersect this tile.
Wind
Harleysville: 22/100 · Lansdale: 22/100
No gap.
Harleysville: Wind exposure derived from ingested design wind / climatology tiles.
Lansdale: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Harleysville: 36/100 · Lansdale: 34/100
Harleysville is 2 points higher.
Harleysville: Lightning exposure derived from ingested climatology tiles.
Lansdale: Lightning exposure derived from ingested climatology tiles.
Tornado
Harleysville: 8/100 · Lansdale: 35/100
Lansdale is 27 points higher.
Harleysville: Tornado risk derived from NOAA SPC historical reports.
Lansdale: Tornado risk derived from NOAA SPC historical reports.
Hail
Harleysville: 44/100 · Lansdale: 33/100
Harleysville is 11 points higher.
Harleysville: Hail risk derived from NOAA SPC historical reports.
Lansdale: Hail risk derived from NOAA SPC historical reports.
Storm surge
Harleysville: Unavailable · Lansdale: Unavailable
A score difference cannot be calculated without both sources.
Harleysville: Storm surge model is not available for this location yet.
Lansdale: Storm surge model is not available for this location yet.
Wildfire
Harleysville: 48/100 · Lansdale: 48/100
No gap.
Harleysville: Wildfire exposure derived from ingested fire potential tiles.
Lansdale: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Harleysville: 39/100 · Lansdale: 39/100
No gap.
Harleysville: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Lansdale: Air quality signal derived from the latest EPA AirNow combined AQI grid.