City vs city
Mount Joy vs Philadelphia, PA
Mount Joy currently scores 2 points higher overall than Philadelphia, 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
Mount Joy: 39/100 · Philadelphia: 37/100
Mount Joy is 2 points higher.
Flood
Mount Joy: 66/100 · Philadelphia: 60/100
Mount Joy is 6 points higher.
Mount Joy: FEMA NFHL flood zones: 5 features intersect this tile.
Philadelphia: FEMA NFHL flood zones: 8 features intersect this tile.
Wind
Mount Joy: 21/100 · Philadelphia: 22/100
Philadelphia is 1 points higher.
Mount Joy: Wind exposure derived from ingested design wind / climatology tiles.
Philadelphia: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Mount Joy: 42/100 · Philadelphia: 37/100
Mount Joy is 5 points higher.
Mount Joy: Lightning exposure derived from ingested climatology tiles.
Philadelphia: Lightning exposure derived from ingested climatology tiles.
Tornado
Mount Joy: 0/100 · Philadelphia: 15/100
Philadelphia is 15 points higher.
Mount Joy: Tornado risk derived from NOAA SPC historical reports.
Philadelphia: Tornado risk derived from NOAA SPC historical reports.
Hail
Mount Joy: 33/100 · Philadelphia: 43/100
Philadelphia is 10 points higher.
Mount Joy: Hail risk derived from NOAA SPC historical reports.
Philadelphia: Hail risk derived from NOAA SPC historical reports.
Storm surge
Mount Joy: Unavailable · Philadelphia: Unavailable
A score difference cannot be calculated without both sources.
Mount Joy: Storm surge model is not available for this location yet.
Philadelphia: Storm surge model is not available for this location yet.
Wildfire
Mount Joy: 27/100 · Philadelphia: 36/100
Philadelphia is 9 points higher.
Mount Joy: Wildfire exposure derived from ingested fire potential tiles.
Philadelphia: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Mount Joy: 43/100 · Philadelphia: 46/100
Philadelphia is 3 points higher.
Mount Joy: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Philadelphia: Air quality signal derived from the latest EPA AirNow combined AQI grid.