City vs city
Lionville vs Thorndale, PA
Lionville currently scores 5 points higher overall than Thorndale, 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 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
Lionville: 39/100 · Thorndale: 34/100
Lionville is 5 points higher.
Flood
Lionville: 62/100 · Thorndale: 68/100
Thorndale is 6 points higher.
Lionville: FEMA NFHL flood zones: 4 features intersect this tile.
Thorndale: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Lionville: 22/100 · Thorndale: 22/100
No gap.
Lionville: Wind exposure derived from ingested design wind / climatology tiles.
Thorndale: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Lionville: 44/100 · Thorndale: 45/100
Thorndale is 1 points higher.
Lionville: Lightning exposure derived from ingested climatology tiles.
Thorndale: Lightning exposure derived from ingested climatology tiles.
Tornado
Lionville: 23/100 · Thorndale: 4/100
Lionville is 19 points higher.
Lionville: Tornado risk derived from NOAA SPC historical reports.
Thorndale: Tornado risk derived from NOAA SPC historical reports.
Hail
Lionville: 52/100 · Thorndale: 20/100
Lionville is 32 points higher.
Lionville: Hail risk derived from NOAA SPC historical reports.
Thorndale: Hail risk derived from NOAA SPC historical reports.
Storm surge
Lionville: Unavailable · Thorndale: Unavailable
A score difference cannot be calculated without both sources.
Lionville: Storm surge model is not available for this location yet.
Thorndale: Storm surge model is not available for this location yet.
Wildfire
Lionville: 30/100 · Thorndale: 42/100
Thorndale is 12 points higher.
Lionville: Wildfire exposure derived from ingested fire potential tiles.
Thorndale: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Lionville: 40/100 · Thorndale: 40/100
No gap.
Lionville: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Thorndale: Air quality signal derived from the latest EPA AirNow combined AQI grid.