City vs city
Holly Hill vs Port Orange, FL
Holly Hill currently scores 20 points higher overall than Port Orange, with the largest gap in storm surge.
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
Holly Hill: 68/100 · Port Orange: 48/100
Holly Hill is 20 points higher.
Flood
Holly Hill: 46/100 · Port Orange: 44/100
Holly Hill is 2 points higher.
Holly Hill: FEMA NFHL flood zones: 22 features intersect this tile.
Port Orange: FEMA NFHL flood zones: 21 features intersect this tile.
Wind
Holly Hill: 42/100 · Port Orange: 43/100
Port Orange is 1 points higher.
Holly Hill: Wind exposure derived from ingested design wind / climatology tiles.
Port Orange: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Holly Hill: 92/100 · Port Orange: 94/100
Port Orange is 2 points higher.
Holly Hill: Lightning exposure derived from ingested climatology tiles.
Port Orange: Lightning exposure derived from ingested climatology tiles.
Tornado
Holly Hill: 92/100 · Port Orange: 54/100
Holly Hill is 38 points higher.
Holly Hill: Tornado risk derived from NOAA SPC historical reports.
Port Orange: Tornado risk derived from NOAA SPC historical reports.
Hail
Holly Hill: 100/100 · Port Orange: 48/100
Holly Hill is 52 points higher.
Holly Hill: Hail risk derived from NOAA SPC historical reports.
Port Orange: Hail risk derived from NOAA SPC historical reports.
Storm surge
Holly Hill: 95/100 · Port Orange: 19/100
Holly Hill is 76 points higher.
Holly Hill: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Port Orange: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Holly Hill: 63/100 · Port Orange: 69/100
Port Orange is 6 points higher.
Holly Hill: Wildfire exposure derived from ingested fire potential tiles.
Port Orange: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Holly Hill: 16/100 · Port Orange: 16/100
No gap.
Holly Hill: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Port Orange: Air quality signal derived from the latest EPA AirNow combined AQI grid.