City vs city
Harrison vs Hartsdale, NY
Hartsdale currently scores 9 points higher overall than Harrison, 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 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
Harrison: 33/100 · Hartsdale: 42/100
Hartsdale is 9 points higher.
Flood
Harrison: 36/100 · Hartsdale: 51/100
Hartsdale is 15 points higher.
Harrison: FEMA NFHL flood zones: 2 features intersect this tile.
Hartsdale: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Harrison: 23/100 · Hartsdale: 23/100
No gap.
Harrison: Wind exposure derived from ingested design wind / climatology tiles.
Hartsdale: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Harrison: 21/100 · Hartsdale: 22/100
Hartsdale is 1 points higher.
Harrison: Lightning exposure derived from ingested climatology tiles.
Hartsdale: Lightning exposure derived from ingested climatology tiles.
Tornado
Harrison: 4/100 · Hartsdale: 15/100
Hartsdale is 11 points higher.
Harrison: Tornado risk derived from NOAA SPC historical reports.
Hartsdale: Tornado risk derived from NOAA SPC historical reports.
Hail
Harrison: 40/100 · Hartsdale: 20/100
Harrison is 20 points higher.
Harrison: Hail risk derived from NOAA SPC historical reports.
Hartsdale: Hail risk derived from NOAA SPC historical reports.
Storm surge
Harrison: Unavailable · Hartsdale: 93/100
A score difference cannot be calculated without both sources.
Harrison: Storm surge model is not available for this location yet.
Hartsdale: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Harrison: 79/100 · Hartsdale: 83/100
Hartsdale is 4 points higher.
Harrison: Wildfire exposure derived from ingested fire potential tiles.
Hartsdale: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Harrison: 27/100 · Hartsdale: 27/100
No gap.
Harrison: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Hartsdale: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.