City vs city
Coosawhatchie vs Rock Hill, SC
Coosawhatchie currently scores 8 points higher overall than Rock Hill, with the largest gap in hail.
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
Coosawhatchie: 50/100 · Rock Hill: 42/100
Coosawhatchie is 8 points higher.
Flood
Coosawhatchie: 43/100 · Rock Hill: 33/100
Coosawhatchie is 10 points higher.
Coosawhatchie: FEMA NFHL flood zones: 5 features intersect this tile.
Rock Hill: FEMA NFHL flood zones: 13 features intersect this tile.
Wind
Coosawhatchie: 40/100 · Rock Hill: 19/100
Coosawhatchie is 21 points higher.
Coosawhatchie: Wind exposure derived from ingested design wind / climatology tiles.
Rock Hill: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Coosawhatchie: 71/100 · Rock Hill: 46/100
Coosawhatchie is 25 points higher.
Coosawhatchie: Lightning exposure derived from ingested climatology tiles.
Rock Hill: Lightning exposure derived from ingested climatology tiles.
Tornado
Coosawhatchie: 0/100 · Rock Hill: 19/100
Rock Hill is 19 points higher.
Coosawhatchie: Tornado risk derived from NOAA SPC historical reports.
Rock Hill: Tornado risk derived from NOAA SPC historical reports.
Hail
Coosawhatchie: 14/100 · Rock Hill: 100/100
Rock Hill is 86 points higher.
Coosawhatchie: Hail risk derived from NOAA SPC historical reports.
Rock Hill: Hail risk derived from NOAA SPC historical reports.
Storm surge
Coosawhatchie: 92/100 · Rock Hill: Unavailable
A score difference cannot be calculated without both sources.
Coosawhatchie: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Rock Hill: Storm surge model is not available for this location yet.
Wildfire
Coosawhatchie: 72/100 · Rock Hill: 52/100
Coosawhatchie is 20 points higher.
Coosawhatchie: Wildfire exposure derived from ingested fire potential tiles.
Rock Hill: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Coosawhatchie: 21/100 · Rock Hill: 24/100
Rock Hill is 3 points higher.
Coosawhatchie: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Rock Hill: Air quality signal derived from the latest EPA AirNow combined AQI grid.