City vs city
Harrisburg vs Ridley Park, PA
Harrisburg currently scores 4 points higher overall than Ridley Park, 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
Harrisburg: 50/100 · Ridley Park: 46/100
Harrisburg is 4 points higher.
Flood
Harrisburg: 98/100 · Ridley Park: 63/100
Harrisburg is 35 points higher.
Harrisburg: FEMA NFHL flood zones: 11 features intersect this tile.
Ridley Park: FEMA NFHL flood zones: 18 features intersect this tile.
Wind
Harrisburg: 20/100 · Ridley Park: 22/100
Ridley Park is 2 points higher.
Harrisburg: Wind exposure derived from ingested design wind / climatology tiles.
Ridley Park: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Harrisburg: 38/100 · Ridley Park: 39/100
Ridley Park is 1 points higher.
Harrisburg: Lightning exposure derived from ingested climatology tiles.
Ridley Park: Lightning exposure derived from ingested climatology tiles.
Tornado
Harrisburg: 38/100 · Ridley Park: 4/100
Harrisburg is 34 points higher.
Harrisburg: Tornado risk derived from NOAA SPC historical reports.
Ridley Park: Tornado risk derived from NOAA SPC historical reports.
Hail
Harrisburg: 72/100 · Ridley Park: 44/100
Harrisburg is 28 points higher.
Harrisburg: Hail risk derived from NOAA SPC historical reports.
Ridley Park: Hail risk derived from NOAA SPC historical reports.
Storm surge
Harrisburg: Unavailable · Ridley Park: 98/100
A score difference cannot be calculated without both sources.
Harrisburg: Storm surge model is not available for this location yet.
Ridley Park: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Harrisburg: 43/100 · Ridley Park: 56/100
Ridley Park is 13 points higher.
Harrisburg: Wildfire exposure derived from ingested fire potential tiles.
Ridley Park: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Harrisburg: 40/100 · Ridley Park: 41/100
Ridley Park is 1 points higher.
Harrisburg: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Ridley Park: Air quality signal derived from the latest EPA AirNow combined AQI grid.