City vs city
Charleston vs Grafton, WV
Charleston currently scores 7 points higher overall than Grafton, 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
Charleston: 49/100 · Grafton: 42/100
Charleston is 7 points higher.
Flood
Charleston: 77/100 · Grafton: 85/100
Grafton is 8 points higher.
Charleston: FEMA NFHL flood zones: 12 features intersect this tile.
Grafton: FEMA NFHL flood zones: 9 features intersect this tile.
Wind
Charleston: 15/100 · Grafton: 17/100
Grafton is 2 points higher.
Charleston: Wind exposure derived from ingested design wind / climatology tiles.
Grafton: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Charleston: 32/100 · Grafton: 22/100
Charleston is 10 points higher.
Charleston: Lightning exposure derived from ingested climatology tiles.
Grafton: Lightning exposure derived from ingested climatology tiles.
Tornado
Charleston: 12/100 · Grafton: 23/100
Grafton is 11 points higher.
Charleston: Tornado risk derived from NOAA SPC historical reports.
Grafton: Tornado risk derived from NOAA SPC historical reports.
Hail
Charleston: 100/100 · Grafton: 71/100
Charleston is 29 points higher.
Charleston: Hail risk derived from NOAA SPC historical reports.
Grafton: Hail risk derived from NOAA SPC historical reports.
Storm surge
Charleston: Unavailable · Grafton: Unavailable
A score difference cannot be calculated without both sources.
Charleston: Storm surge model is not available for this location yet.
Grafton: Storm surge model is not available for this location yet.
Wildfire
Charleston: 63/100 · Grafton: 40/100
Charleston is 23 points higher.
Charleston: Wildfire exposure derived from ingested fire potential tiles.
Grafton: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Charleston: 47/100 · Grafton: 39/100
Charleston is 8 points higher.
Charleston: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Grafton: Air quality signal derived from the latest EPA AirNow combined AQI grid.