City vs city
Hartsville vs Rock Hill, SC
Hartsville currently scores 3 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
Hartsville: 45/100 · Rock Hill: 42/100
Hartsville is 3 points higher.
Flood
Hartsville: 27/100 · Rock Hill: 33/100
Rock Hill is 6 points higher.
Hartsville: FEMA NFHL flood zones: 4 features intersect this tile.
Rock Hill: FEMA NFHL flood zones: 13 features intersect this tile.
Wind
Hartsville: 28/100 · Rock Hill: 19/100
Hartsville is 9 points higher.
Hartsville: Wind exposure derived from ingested design wind / climatology tiles.
Rock Hill: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Hartsville: 63/100 · Rock Hill: 46/100
Hartsville is 17 points higher.
Hartsville: Lightning exposure derived from ingested climatology tiles.
Rock Hill: Lightning exposure derived from ingested climatology tiles.
Tornado
Hartsville: 19/100 · Rock Hill: 19/100
No gap.
Hartsville: Tornado risk derived from NOAA SPC historical reports.
Rock Hill: Tornado risk derived from NOAA SPC historical reports.
Hail
Hartsville: 74/100 · Rock Hill: 100/100
Rock Hill is 26 points higher.
Hartsville: Hail risk derived from NOAA SPC historical reports.
Rock Hill: Hail risk derived from NOAA SPC historical reports.
Storm surge
Hartsville: Unavailable · Rock Hill: Unavailable
A score difference cannot be calculated without both sources.
Hartsville: Storm surge model is not available for this location yet.
Rock Hill: Storm surge model is not available for this location yet.
Wildfire
Hartsville: 74/100 · Rock Hill: 52/100
Hartsville is 22 points higher.
Hartsville: Wildfire exposure derived from ingested fire potential tiles.
Rock Hill: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Hartsville: 27/100 · Rock Hill: 24/100
Hartsville is 3 points higher.
Hartsville: 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.