City vs city
Cayce vs Charleston, SC
Charleston currently scores 9 points higher overall than Cayce, 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 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
Cayce: 51/100 · Charleston: 60/100
Charleston is 9 points higher.
Flood
Cayce: 51/100 · Charleston: 78/100
Charleston is 27 points higher.
Cayce: FEMA NFHL flood zones: 11 features intersect this tile.
Charleston: FEMA NFHL flood zones: 28 features intersect this tile.
Wind
Cayce: 24/100 · Charleston: 51/100
Charleston is 27 points higher.
Cayce: Wind exposure derived from ingested design wind / climatology tiles.
Charleston: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Cayce: 70/100 · Charleston: 49/100
Cayce is 21 points higher.
Cayce: Lightning exposure derived from ingested climatology tiles.
Charleston: Lightning exposure derived from ingested climatology tiles.
Tornado
Cayce: 12/100 · Charleston: 12/100
No gap.
Cayce: Tornado risk derived from NOAA SPC historical reports.
Charleston: Tornado risk derived from NOAA SPC historical reports.
Hail
Cayce: 97/100 · Charleston: 100/100
Charleston is 3 points higher.
Cayce: Hail risk derived from NOAA SPC historical reports.
Charleston: Hail risk derived from NOAA SPC historical reports.
Storm surge
Cayce: Unavailable · Charleston: 99/100
A score difference cannot be calculated without both sources.
Cayce: Storm surge model is not available for this location yet.
Charleston: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Cayce: 75/100 · Charleston: 63/100
Cayce is 12 points higher.
Cayce: Wildfire exposure derived from ingested fire potential tiles.
Charleston: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Cayce: 27/100 · Charleston: 26/100
Cayce is 1 points higher.
Cayce: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Charleston: Air quality signal derived from the latest EPA AirNow combined AQI grid.