City vs city
Mount Joy vs Mountville, PA
Mount Joy currently scores 2 points higher overall than Mountville, 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
Mount Joy: 39/100 · Mountville: 37/100
Mount Joy is 2 points higher.
Flood
Mount Joy: 66/100 · Mountville: 64/100
Mount Joy is 2 points higher.
Mount Joy: FEMA NFHL flood zones: 5 features intersect this tile.
Mountville: FEMA NFHL flood zones: 2 features intersect this tile.
Wind
Mount Joy: 21/100 · Mountville: 21/100
No gap.
Mount Joy: Wind exposure derived from ingested design wind / climatology tiles.
Mountville: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Mount Joy: 42/100 · Mountville: 45/100
Mountville is 3 points higher.
Mount Joy: Lightning exposure derived from ingested climatology tiles.
Mountville: Lightning exposure derived from ingested climatology tiles.
Tornado
Mount Joy: 0/100 · Mountville: 15/100
Mountville is 15 points higher.
Mount Joy: Tornado risk derived from NOAA SPC historical reports.
Mountville: Tornado risk derived from NOAA SPC historical reports.
Hail
Mount Joy: 33/100 · Mountville: 34/100
Mountville is 1 points higher.
Mount Joy: Hail risk derived from NOAA SPC historical reports.
Mountville: Hail risk derived from NOAA SPC historical reports.
Storm surge
Mount Joy: Unavailable · Mountville: Unavailable
A score difference cannot be calculated without both sources.
Mount Joy: Storm surge model is not available for this location yet.
Mountville: Storm surge model is not available for this location yet.
Wildfire
Mount Joy: 27/100 · Mountville: 38/100
Mountville is 11 points higher.
Mount Joy: Wildfire exposure derived from ingested fire potential tiles.
Mountville: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Mount Joy: 43/100 · Mountville: 44/100
Mountville is 1 points higher.
Mount Joy: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Mountville: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.