City vs city
Chester vs Rock Hill, SC
Rock Hill currently scores 8 points higher overall than Chester, 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
Chester: 34/100 · Rock Hill: 42/100
Rock Hill is 8 points higher.
Flood
Chester: 29/100 · Rock Hill: 33/100
Rock Hill is 4 points higher.
Chester: FEMA NFHL flood zones: 4 features intersect this tile.
Rock Hill: FEMA NFHL flood zones: 13 features intersect this tile.
Wind
Chester: 19/100 · Rock Hill: 19/100
No gap.
Chester: Wind exposure derived from ingested design wind / climatology tiles.
Rock Hill: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Chester: 49/100 · Rock Hill: 46/100
Chester is 3 points higher.
Chester: Lightning exposure derived from ingested climatology tiles.
Rock Hill: Lightning exposure derived from ingested climatology tiles.
Tornado
Chester: 19/100 · Rock Hill: 19/100
No gap.
Chester: Tornado risk derived from NOAA SPC historical reports.
Rock Hill: Tornado risk derived from NOAA SPC historical reports.
Hail
Chester: 38/100 · Rock Hill: 100/100
Rock Hill is 62 points higher.
Chester: Hail risk derived from NOAA SPC historical reports.
Rock Hill: Hail risk derived from NOAA SPC historical reports.
Storm surge
Chester: Unavailable · Rock Hill: Unavailable
A score difference cannot be calculated without both sources.
Chester: Storm surge model is not available for this location yet.
Rock Hill: Storm surge model is not available for this location yet.
Wildfire
Chester: 56/100 · Rock Hill: 52/100
Chester is 4 points higher.
Chester: Wildfire exposure derived from ingested fire potential tiles.
Rock Hill: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Chester: 27/100 · Rock Hill: 24/100
Chester is 3 points higher.
Chester: 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.