City vs city
Gantt vs Welcome, SC
Gantt currently scores 6 points higher overall than Welcome, 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
Gantt: 46/100 · Welcome: 40/100
Gantt is 6 points higher.
Flood
Gantt: 30/100 · Welcome: 27/100
Gantt is 3 points higher.
Gantt: FEMA NFHL flood zones: 9 features intersect this tile.
Welcome: FEMA NFHL flood zones: 7 features intersect this tile.
Wind
Gantt: 17/100 · Welcome: 16/100
Gantt is 1 points higher.
Gantt: Wind exposure derived from ingested design wind / climatology tiles.
Welcome: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Gantt: 46/100 · Welcome: 46/100
No gap.
Gantt: Lightning exposure derived from ingested climatology tiles.
Welcome: Lightning exposure derived from ingested climatology tiles.
Tornado
Gantt: 38/100 · Welcome: 15/100
Gantt is 23 points higher.
Gantt: Tornado risk derived from NOAA SPC historical reports.
Welcome: Tornado risk derived from NOAA SPC historical reports.
Hail
Gantt: 100/100 · Welcome: 79/100
Gantt is 21 points higher.
Gantt: Hail risk derived from NOAA SPC historical reports.
Welcome: Hail risk derived from NOAA SPC historical reports.
Storm surge
Gantt: Unavailable · Welcome: Unavailable
A score difference cannot be calculated without both sources.
Gantt: Storm surge model is not available for this location yet.
Welcome: Storm surge model is not available for this location yet.
Wildfire
Gantt: 64/100 · Welcome: 66/100
Welcome is 2 points higher.
Gantt: Wildfire exposure derived from ingested fire potential tiles.
Welcome: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Gantt: 28/100 · Welcome: 28/100
No gap.
Gantt: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Welcome: Air quality signal derived from the latest EPA AirNow combined AQI grid.