City vs city
Mayo vs Rock Hill, SC
Rock Hill currently scores 3 points higher overall than Mayo, 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
Mayo: 39/100 · Rock Hill: 42/100
Rock Hill is 3 points higher.
Flood
Mayo: 29/100 · Rock Hill: 33/100
Rock Hill is 4 points higher.
Mayo: FEMA NFHL flood zones: 6 features intersect this tile.
Rock Hill: FEMA NFHL flood zones: 13 features intersect this tile.
Wind
Mayo: 17/100 · Rock Hill: 19/100
Rock Hill is 2 points higher.
Mayo: Wind exposure derived from ingested design wind / climatology tiles.
Rock Hill: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Mayo: 45/100 · Rock Hill: 46/100
Rock Hill is 1 points higher.
Mayo: Lightning exposure derived from ingested climatology tiles.
Rock Hill: Lightning exposure derived from ingested climatology tiles.
Tornado
Mayo: 12/100 · Rock Hill: 19/100
Rock Hill is 7 points higher.
Mayo: Tornado risk derived from NOAA SPC historical reports.
Rock Hill: Tornado risk derived from NOAA SPC historical reports.
Hail
Mayo: 66/100 · Rock Hill: 100/100
Rock Hill is 34 points higher.
Mayo: Hail risk derived from NOAA SPC historical reports.
Rock Hill: Hail risk derived from NOAA SPC historical reports.
Storm surge
Mayo: Unavailable · Rock Hill: Unavailable
A score difference cannot be calculated without both sources.
Mayo: Storm surge model is not available for this location yet.
Rock Hill: Storm surge model is not available for this location yet.
Wildfire
Mayo: 67/100 · Rock Hill: 52/100
Mayo is 15 points higher.
Mayo: Wildfire exposure derived from ingested fire potential tiles.
Rock Hill: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Mayo: 36/100 · Rock Hill: 24/100
Mayo is 12 points higher.
Mayo: 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.