City vs city
Hilton Head Island vs Spartanburg, SC
Hilton Head Island currently scores 4 points higher overall than Spartanburg, 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 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
Hilton Head Island: 53/100 · Spartanburg: 49/100
Hilton Head Island is 4 points higher.
Flood
Hilton Head Island: 77/100 · Spartanburg: 29/100
Hilton Head Island is 48 points higher.
Hilton Head Island: FEMA NFHL flood zones: 19 features intersect this tile.
Spartanburg: FEMA NFHL flood zones: 7 features intersect this tile.
Wind
Hilton Head Island: 46/100 · Spartanburg: 17/100
Hilton Head Island is 29 points higher.
Hilton Head Island: Wind exposure derived from ingested design wind / climatology tiles.
Spartanburg: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Hilton Head Island: 58/100 · Spartanburg: 45/100
Hilton Head Island is 13 points higher.
Hilton Head Island: Lightning exposure derived from ingested climatology tiles.
Spartanburg: Lightning exposure derived from ingested climatology tiles.
Tornado
Hilton Head Island: 31/100 · Spartanburg: 50/100
Spartanburg is 19 points higher.
Hilton Head Island: Tornado risk derived from NOAA SPC historical reports.
Spartanburg: Tornado risk derived from NOAA SPC historical reports.
Hail
Hilton Head Island: 87/100 · Spartanburg: 100/100
Spartanburg is 13 points higher.
Hilton Head Island: Hail risk derived from NOAA SPC historical reports.
Spartanburg: Hail risk derived from NOAA SPC historical reports.
Storm surge
Hilton Head Island: 99/100 · Spartanburg: Unavailable
A score difference cannot be calculated without both sources.
Hilton Head Island: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Spartanburg: Storm surge model is not available for this location yet.
Wildfire
Hilton Head Island: 5/100 · Spartanburg: 64/100
Spartanburg is 59 points higher.
Hilton Head Island: Wildfire exposure derived from ingested fire potential tiles.
Spartanburg: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Hilton Head Island: 21/100 · Spartanburg: 36/100
Spartanburg is 15 points higher.
Hilton Head Island: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Spartanburg: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.