City vs city
Columbia vs Hartsville, SC
Columbia currently scores 5 points higher overall than Hartsville, with the largest gap in tornado.
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 · Hartsville: 45/100
Columbia is 5 points higher.
Flood
Columbia: 27/100 · Hartsville: 27/100
No gap.
Columbia: FEMA NFHL flood zones: 4 features intersect this tile.
Hartsville: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Columbia: 24/100 · Hartsville: 28/100
Hartsville is 4 points higher.
Columbia: Wind exposure derived from ingested design wind / climatology tiles.
Hartsville: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Columbia: 72/100 · Hartsville: 63/100
Columbia is 9 points higher.
Columbia: Lightning exposure derived from ingested climatology tiles.
Hartsville: Lightning exposure derived from ingested climatology tiles.
Tornado
Columbia: 42/100 · Hartsville: 19/100
Columbia is 23 points higher.
Columbia: Tornado risk derived from NOAA SPC historical reports.
Hartsville: Tornado risk derived from NOAA SPC historical reports.
Hail
Columbia: 84/100 · Hartsville: 74/100
Columbia is 10 points higher.
Columbia: Hail risk derived from NOAA SPC historical reports.
Hartsville: Hail risk derived from NOAA SPC historical reports.
Storm surge
Columbia: Unavailable · Hartsville: Unavailable
A score difference cannot be calculated without both sources.
Columbia: Storm surge model is not available for this location yet.
Hartsville: Storm surge model is not available for this location yet.
Wildfire
Columbia: 73/100 · Hartsville: 74/100
Hartsville is 1 points higher.
Columbia: Wildfire exposure derived from ingested fire potential tiles.
Hartsville: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Columbia: 26/100 · Hartsville: 27/100
Hartsville is 1 points higher.
Columbia: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Hartsville: Air quality signal derived from the latest EPA AirNow combined AQI grid.