City vs city
Florence vs Marion, SC
Marion currently scores 12 points higher overall than Florence, 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
Florence: 42/100 · Marion: 54/100
Marion is 12 points higher.
Flood
Florence: 29/100 · Marion: 42/100
Marion is 13 points higher.
Florence: FEMA NFHL flood zones: 8 features intersect this tile.
Marion: FEMA NFHL flood zones: 14 features intersect this tile.
Wind
Florence: 33/100 · Marion: 38/100
Marion is 5 points higher.
Florence: Wind exposure derived from ingested design wind / climatology tiles.
Marion: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Florence: 67/100 · Marion: 67/100
No gap.
Florence: Lightning exposure derived from ingested climatology tiles.
Marion: Lightning exposure derived from ingested climatology tiles.
Tornado
Florence: 19/100 · Marion: 73/100
Marion is 54 points higher.
Florence: Tornado risk derived from NOAA SPC historical reports.
Marion: Tornado risk derived from NOAA SPC historical reports.
Hail
Florence: 43/100 · Marion: 65/100
Marion is 22 points higher.
Florence: Hail risk derived from NOAA SPC historical reports.
Marion: Hail risk derived from NOAA SPC historical reports.
Storm surge
Florence: Unavailable · Marion: Unavailable
A score difference cannot be calculated without both sources.
Florence: Storm surge model is not available for this location yet.
Marion: Storm surge model is not available for this location yet.
Wildfire
Florence: 76/100 · Marion: 71/100
Florence is 5 points higher.
Florence: Wildfire exposure derived from ingested fire potential tiles.
Marion: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Florence: 27/100 · Marion: 25/100
Florence is 2 points higher.
Florence: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Marion: Air quality signal derived from the latest EPA AirNow combined AQI grid.