City vs city
Rock Hill vs Tega Cay, SC
Rock Hill currently scores 13 points higher overall than Tega Cay, 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
Rock Hill: 42/100 · Tega Cay: 29/100
Rock Hill is 13 points higher.
Flood
Rock Hill: 33/100 · Tega Cay: 33/100
No gap.
Rock Hill: FEMA NFHL flood zones: 13 features intersect this tile.
Tega Cay: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Rock Hill: 19/100 · Tega Cay: 19/100
No gap.
Rock Hill: Wind exposure derived from ingested design wind / climatology tiles.
Tega Cay: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Rock Hill: 46/100 · Tega Cay: 44/100
Rock Hill is 2 points higher.
Rock Hill: Lightning exposure derived from ingested climatology tiles.
Tega Cay: Lightning exposure derived from ingested climatology tiles.
Tornado
Rock Hill: 19/100 · Tega Cay: 23/100
Tega Cay is 4 points higher.
Rock Hill: Tornado risk derived from NOAA SPC historical reports.
Tega Cay: Tornado risk derived from NOAA SPC historical reports.
Hail
Rock Hill: 100/100 · Tega Cay: 33/100
Rock Hill is 67 points higher.
Rock Hill: Hail risk derived from NOAA SPC historical reports.
Tega Cay: Hail risk derived from NOAA SPC historical reports.
Storm surge
Rock Hill: Unavailable · Tega Cay: Unavailable
A score difference cannot be calculated without both sources.
Rock Hill: Storm surge model is not available for this location yet.
Tega Cay: Storm surge model is not available for this location yet.
Wildfire
Rock Hill: 52/100 · Tega Cay: 18/100
Rock Hill is 34 points higher.
Rock Hill: Wildfire exposure derived from ingested fire potential tiles.
Tega Cay: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Rock Hill: 24/100 · Tega Cay: 34/100
Tega Cay is 10 points higher.
Rock Hill: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Tega Cay: Air quality signal derived from the latest EPA AirNow combined AQI grid.