City vs city
Columbia vs Gayle Mill, SC
Columbia currently scores 16 points higher overall than Gayle Mill, 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
Columbia: 50/100 · Gayle Mill: 34/100
Columbia is 16 points higher.
Flood
Columbia: 27/100 · Gayle Mill: 29/100
Gayle Mill is 2 points higher.
Columbia: FEMA NFHL flood zones: 4 features intersect this tile.
Gayle Mill: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Columbia: 24/100 · Gayle Mill: 19/100
Columbia is 5 points higher.
Columbia: Wind exposure derived from ingested design wind / climatology tiles.
Gayle Mill: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Columbia: 72/100 · Gayle Mill: 49/100
Columbia is 23 points higher.
Columbia: Lightning exposure derived from ingested climatology tiles.
Gayle Mill: Lightning exposure derived from ingested climatology tiles.
Tornado
Columbia: 42/100 · Gayle Mill: 19/100
Columbia is 23 points higher.
Columbia: Tornado risk derived from NOAA SPC historical reports.
Gayle Mill: Tornado risk derived from NOAA SPC historical reports.
Hail
Columbia: 84/100 · Gayle Mill: 38/100
Columbia is 46 points higher.
Columbia: Hail risk derived from NOAA SPC historical reports.
Gayle Mill: Hail risk derived from NOAA SPC historical reports.
Storm surge
Columbia: Unavailable · Gayle Mill: Unavailable
A score difference cannot be calculated without both sources.
Columbia: Storm surge model is not available for this location yet.
Gayle Mill: Storm surge model is not available for this location yet.
Wildfire
Columbia: 73/100 · Gayle Mill: 56/100
Columbia is 17 points higher.
Columbia: Wildfire exposure derived from ingested fire potential tiles.
Gayle Mill: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Columbia: 26/100 · Gayle Mill: 27/100
Gayle Mill is 1 points higher.
Columbia: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Gayle Mill: Air quality signal derived from the latest EPA AirNow combined AQI grid.