City vs city
Fripp Island vs Port Royal, SC
Port Royal currently scores 2 points higher overall than Fripp Island, with the largest gap in flood.
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
Fripp Island: 43/100 · Port Royal: 45/100
Port Royal is 2 points higher.
Flood
Fripp Island: 69/100 · Port Royal: 92/100
Port Royal is 23 points higher.
Fripp Island: FEMA NFHL flood zones: 14 features intersect this tile.
Port Royal: FEMA NFHL flood zones: 18 features intersect this tile.
Wind
Fripp Island: 50/100 · Port Royal: 45/100
Fripp Island is 5 points higher.
Fripp Island: Wind exposure derived from ingested design wind / climatology tiles.
Port Royal: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Fripp Island: 49/100 · Port Royal: 61/100
Port Royal is 12 points higher.
Fripp Island: Lightning exposure derived from ingested climatology tiles.
Port Royal: Lightning exposure derived from ingested climatology tiles.
Tornado
Fripp Island: 19/100 · Port Royal: 4/100
Fripp Island is 15 points higher.
Fripp Island: Tornado risk derived from NOAA SPC historical reports.
Port Royal: Tornado risk derived from NOAA SPC historical reports.
Hail
Fripp Island: 10/100 · Port Royal: 24/100
Port Royal is 14 points higher.
Fripp Island: Hail risk derived from NOAA SPC historical reports.
Port Royal: Hail risk derived from NOAA SPC historical reports.
Storm surge
Fripp Island: 98/100 · Port Royal: 99/100
Port Royal is 1 points higher.
Fripp Island: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Port Royal: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Fripp Island: 27/100 · Port Royal: 10/100
Fripp Island is 17 points higher.
Fripp Island: Wildfire exposure derived from ingested fire potential tiles.
Port Royal: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Fripp Island: 23/100 · Port Royal: 21/100
Fripp Island is 2 points higher.
Fripp 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.
Port Royal: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.