City vs city
Charleston vs Harpers Ferry, WV
Charleston currently scores 9 points higher overall than Harpers Ferry, 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 · Harpers Ferry: 40/100
Charleston is 9 points higher.
Flood
Charleston: 77/100 · Harpers Ferry: 51/100
Charleston is 26 points higher.
Charleston: FEMA NFHL flood zones: 12 features intersect this tile.
Harpers Ferry: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Charleston: 15/100 · Harpers Ferry: 20/100
Harpers Ferry is 5 points higher.
Charleston: Wind exposure derived from ingested design wind / climatology tiles.
Harpers Ferry: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Charleston: 32/100 · Harpers Ferry: 24/100
Charleston is 8 points higher.
Charleston: Lightning exposure derived from ingested climatology tiles.
Harpers Ferry: Lightning exposure derived from ingested climatology tiles.
Tornado
Charleston: 12/100 · Harpers Ferry: 0/100
Charleston is 12 points higher.
Charleston: Tornado risk derived from NOAA SPC historical reports.
Harpers Ferry: Tornado risk derived from NOAA SPC historical reports.
Hail
Charleston: 100/100 · Harpers Ferry: 46/100
Charleston is 54 points higher.
Charleston: Hail risk derived from NOAA SPC historical reports.
Harpers Ferry: Hail risk derived from NOAA SPC historical reports.
Storm surge
Charleston: Unavailable · Harpers Ferry: Unavailable
A score difference cannot be calculated without both sources.
Charleston: Storm surge model is not available for this location yet.
Harpers Ferry: Storm surge model is not available for this location yet.
Wildfire
Charleston: 63/100 · Harpers Ferry: 55/100
Charleston is 8 points higher.
Charleston: Wildfire exposure derived from ingested fire potential tiles.
Harpers Ferry: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Charleston: 47/100 · Harpers Ferry: 42/100
Charleston is 5 points higher.
Charleston: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Harpers Ferry: Air quality signal derived from the latest EPA AirNow combined AQI grid.