City vs city
Dunean vs Rock Hill, SC
Rock Hill currently scores 2 points higher overall than Dunean, 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 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
Dunean: 40/100 · Rock Hill: 42/100
Rock Hill is 2 points higher.
Flood
Dunean: 27/100 · Rock Hill: 33/100
Rock Hill is 6 points higher.
Dunean: FEMA NFHL flood zones: 7 features intersect this tile.
Rock Hill: FEMA NFHL flood zones: 13 features intersect this tile.
Wind
Dunean: 16/100 · Rock Hill: 19/100
Rock Hill is 3 points higher.
Dunean: Wind exposure derived from ingested design wind / climatology tiles.
Rock Hill: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Dunean: 46/100 · Rock Hill: 46/100
No gap.
Dunean: Lightning exposure derived from ingested climatology tiles.
Rock Hill: Lightning exposure derived from ingested climatology tiles.
Tornado
Dunean: 15/100 · Rock Hill: 19/100
Rock Hill is 4 points higher.
Dunean: Tornado risk derived from NOAA SPC historical reports.
Rock Hill: Tornado risk derived from NOAA SPC historical reports.
Hail
Dunean: 79/100 · Rock Hill: 100/100
Rock Hill is 21 points higher.
Dunean: Hail risk derived from NOAA SPC historical reports.
Rock Hill: Hail risk derived from NOAA SPC historical reports.
Storm surge
Dunean: Unavailable · Rock Hill: Unavailable
A score difference cannot be calculated without both sources.
Dunean: Storm surge model is not available for this location yet.
Rock Hill: Storm surge model is not available for this location yet.
Wildfire
Dunean: 66/100 · Rock Hill: 52/100
Dunean is 14 points higher.
Dunean: Wildfire exposure derived from ingested fire potential tiles.
Rock Hill: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Dunean: 28/100 · Rock Hill: 24/100
Dunean is 4 points higher.
Dunean: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Rock Hill: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.