City vs city
Coatesville vs Thorndale, PA
Coatesville currently scores 3 points higher overall than Thorndale, with the largest gap 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
Coatesville: 37/100 · Thorndale: 34/100
Coatesville is 3 points higher.
Flood
Coatesville: 74/100 · Thorndale: 68/100
Coatesville is 6 points higher.
Coatesville: FEMA NFHL flood zones: 7 features intersect this tile.
Thorndale: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Coatesville: 22/100 · Thorndale: 22/100
No gap.
Coatesville: Wind exposure derived from ingested design wind / climatology tiles.
Thorndale: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Coatesville: 46/100 · Thorndale: 45/100
Coatesville is 1 points higher.
Coatesville: Lightning exposure derived from ingested climatology tiles.
Thorndale: Lightning exposure derived from ingested climatology tiles.
Tornado
Coatesville: 8/100 · Thorndale: 4/100
Coatesville is 4 points higher.
Coatesville: Tornado risk derived from NOAA SPC historical reports.
Thorndale: Tornado risk derived from NOAA SPC historical reports.
Hail
Coatesville: 25/100 · Thorndale: 20/100
Coatesville is 5 points higher.
Coatesville: Hail risk derived from NOAA SPC historical reports.
Thorndale: Hail risk derived from NOAA SPC historical reports.
Storm surge
Coatesville: Unavailable · Thorndale: Unavailable
A score difference cannot be calculated without both sources.
Coatesville: Storm surge model is not available for this location yet.
Thorndale: Storm surge model is not available for this location yet.
Wildfire
Coatesville: 44/100 · Thorndale: 42/100
Coatesville is 2 points higher.
Coatesville: Wildfire exposure derived from ingested fire potential tiles.
Thorndale: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Coatesville: 40/100 · Thorndale: 40/100
No gap.
Coatesville: 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.