City vs city
Lancaster vs Riverside, PA
Lancaster currently scores 6 points higher overall than Riverside, 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
Lancaster: 42/100 · Riverside: 36/100
Lancaster is 6 points higher.
Flood
Lancaster: 62/100 · Riverside: 85/100
Riverside is 23 points higher.
Lancaster: FEMA NFHL flood zones: 3 features intersect this tile.
Riverside: FEMA NFHL flood zones: 15 features intersect this tile.
Wind
Lancaster: 21/100 · Riverside: 20/100
Lancaster is 1 points higher.
Lancaster: Wind exposure derived from ingested design wind / climatology tiles.
Riverside: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Lancaster: 46/100 · Riverside: 29/100
Lancaster is 17 points higher.
Lancaster: Lightning exposure derived from ingested climatology tiles.
Riverside: Lightning exposure derived from ingested climatology tiles.
Tornado
Lancaster: 8/100 · Riverside: 12/100
Riverside is 4 points higher.
Lancaster: Tornado risk derived from NOAA SPC historical reports.
Riverside: Tornado risk derived from NOAA SPC historical reports.
Hail
Lancaster: 74/100 · Riverside: 15/100
Lancaster is 59 points higher.
Lancaster: Hail risk derived from NOAA SPC historical reports.
Riverside: Hail risk derived from NOAA SPC historical reports.
Storm surge
Lancaster: Unavailable · Riverside: Unavailable
A score difference cannot be calculated without both sources.
Lancaster: Storm surge model is not available for this location yet.
Riverside: Storm surge model is not available for this location yet.
Wildfire
Lancaster: 40/100 · Riverside: 35/100
Lancaster is 5 points higher.
Lancaster: Wildfire exposure derived from ingested fire potential tiles.
Riverside: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Lancaster: 44/100 · Riverside: 59/100
Riverside is 15 points higher.
Lancaster: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Riverside: Air quality signal derived from the latest EPA AirNow combined AQI grid.