City vs city
Harrisburg vs Mount Joy, PA
Harrisburg currently scores 11 points higher overall than Mount Joy, 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
Harrisburg: 50/100 · Mount Joy: 39/100
Harrisburg is 11 points higher.
Flood
Harrisburg: 98/100 · Mount Joy: 66/100
Harrisburg is 32 points higher.
Harrisburg: FEMA NFHL flood zones: 11 features intersect this tile.
Mount Joy: FEMA NFHL flood zones: 5 features intersect this tile.
Wind
Harrisburg: 20/100 · Mount Joy: 21/100
Mount Joy is 1 points higher.
Harrisburg: Wind exposure derived from ingested design wind / climatology tiles.
Mount Joy: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Harrisburg: 38/100 · Mount Joy: 42/100
Mount Joy is 4 points higher.
Harrisburg: Lightning exposure derived from ingested climatology tiles.
Mount Joy: Lightning exposure derived from ingested climatology tiles.
Tornado
Harrisburg: 38/100 · Mount Joy: 0/100
Harrisburg is 38 points higher.
Harrisburg: Tornado risk derived from NOAA SPC historical reports.
Mount Joy: Tornado risk derived from NOAA SPC historical reports.
Hail
Harrisburg: 72/100 · Mount Joy: 33/100
Harrisburg is 39 points higher.
Harrisburg: Hail risk derived from NOAA SPC historical reports.
Mount Joy: Hail risk derived from NOAA SPC historical reports.
Storm surge
Harrisburg: Unavailable · Mount Joy: Unavailable
A score difference cannot be calculated without both sources.
Harrisburg: Storm surge model is not available for this location yet.
Mount Joy: Storm surge model is not available for this location yet.
Wildfire
Harrisburg: 43/100 · Mount Joy: 27/100
Harrisburg is 16 points higher.
Harrisburg: Wildfire exposure derived from ingested fire potential tiles.
Mount Joy: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Harrisburg: 40/100 · Mount Joy: 43/100
Mount Joy is 3 points higher.
Harrisburg: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Mount Joy: Air quality signal derived from the latest EPA AirNow combined AQI grid.