City vs city
Holtsville vs South Jamesport, NY
Holtsville currently scores 13 points higher overall than South Jamesport, with the largest gap in wildfire.
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 · South Jamesport: 29/100
Holtsville is 13 points higher.
Flood
Holtsville: 39/100 · South Jamesport: 25/100
Holtsville is 14 points higher.
Holtsville: FEMA NFHL flood zones: 9 features intersect this tile.
South Jamesport: FEMA NFHL flood zones: 7 features intersect this tile.
Wind
Holtsville: 34/100 · South Jamesport: 35/100
South Jamesport is 1 points higher.
Holtsville: Wind exposure derived from ingested design wind / climatology tiles.
South Jamesport: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Holtsville: 14/100 · South Jamesport: 16/100
South Jamesport is 2 points higher.
Holtsville: Lightning exposure derived from ingested climatology tiles.
South Jamesport: Lightning exposure derived from ingested climatology tiles.
Tornado
Holtsville: 0/100 · South Jamesport: 15/100
South Jamesport is 15 points higher.
Holtsville: Tornado risk derived from NOAA SPC historical reports.
South Jamesport: Tornado risk derived from NOAA SPC historical reports.
Hail
Holtsville: 15/100 · South Jamesport: 4/100
Holtsville is 11 points higher.
Holtsville: Hail risk derived from NOAA SPC historical reports.
South Jamesport: Hail risk derived from NOAA SPC historical reports.
Storm surge
Holtsville: 97/100 · South Jamesport: 95/100
Holtsville is 2 points higher.
Holtsville: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
South Jamesport: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Holtsville: 68/100 · South Jamesport: 13/100
Holtsville is 55 points higher.
Holtsville: Wildfire exposure derived from ingested fire potential tiles.
South Jamesport: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Holtsville: 29/100 · South Jamesport: 32/100
South Jamesport is 3 points higher.
Holtsville: Air quality signal derived from the latest EPA AirNow combined AQI grid.
South Jamesport: Air quality signal derived from the latest EPA AirNow combined AQI grid.