City vs city
Holtsville vs Ossining, NY
Holtsville currently scores 4 points higher overall than Ossining, with the largest gap in wind.
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
Holtsville: 42/100 · Ossining: 38/100
Holtsville is 4 points higher.
Flood
Holtsville: 39/100 · Ossining: 50/100
Ossining is 11 points higher.
Holtsville: FEMA NFHL flood zones: 9 features intersect this tile.
Ossining: FEMA NFHL flood zones: 5 features intersect this tile.
Wind
Holtsville: 34/100 · Ossining: 22/100
Holtsville is 12 points higher.
Holtsville: Wind exposure derived from ingested design wind / climatology tiles.
Ossining: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Holtsville: 14/100 · Ossining: 22/100
Ossining is 8 points higher.
Holtsville: Lightning exposure derived from ingested climatology tiles.
Ossining: Lightning exposure derived from ingested climatology tiles.
Tornado
Holtsville: 0/100 · Ossining: 4/100
Ossining is 4 points higher.
Holtsville: Tornado risk derived from NOAA SPC historical reports.
Ossining: Tornado risk derived from NOAA SPC historical reports.
Hail
Holtsville: 15/100 · Ossining: 12/100
Holtsville is 3 points higher.
Holtsville: Hail risk derived from NOAA SPC historical reports.
Ossining: Hail risk derived from NOAA SPC historical reports.
Storm surge
Holtsville: 97/100 · Ossining: 94/100
Holtsville is 3 points higher.
Holtsville: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Ossining: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Holtsville: 68/100 · Ossining: 71/100
Ossining is 3 points higher.
Holtsville: Wildfire exposure derived from ingested fire potential tiles.
Ossining: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Holtsville: 29/100 · Ossining: 28/100
Holtsville is 1 points higher.
Holtsville: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Ossining: Air quality signal derived from the latest EPA AirNow combined AQI grid.