City vs city
Keystone vs Martinsburg, WV
Keystone currently scores 1 points higher overall than Martinsburg, 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 uses an ingested EPA AirNow snapshot and may not reflect current conditions; 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
Keystone: 40/100 · Martinsburg: 39/100
Keystone is 1 points higher.
Flood
Keystone: 88/100 · Martinsburg: 59/100
Keystone is 29 points higher.
Keystone: FEMA NFHL flood zones: 6 features intersect this tile.
Martinsburg: FEMA NFHL flood zones: 8 features intersect this tile.
Wind
Keystone: 16/100 · Martinsburg: 20/100
Martinsburg is 4 points higher.
Keystone: Wind exposure derived from ingested design wind / climatology tiles.
Martinsburg: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Keystone: 25/100 · Martinsburg: 20/100
Keystone is 5 points higher.
Keystone: Lightning exposure derived from ingested climatology tiles.
Martinsburg: Lightning exposure derived from ingested climatology tiles.
Tornado
Keystone: 0/100 · Martinsburg: 12/100
Martinsburg is 12 points higher.
Keystone: Tornado risk derived from NOAA SPC historical reports.
Martinsburg: Tornado risk derived from NOAA SPC historical reports.
Hail
Keystone: 22/100 · Martinsburg: 59/100
Martinsburg is 37 points higher.
Keystone: Hail risk derived from NOAA SPC historical reports.
Martinsburg: Hail risk derived from NOAA SPC historical reports.
Storm surge
Keystone: Unavailable · Martinsburg: Unavailable
A score difference cannot be calculated without both sources.
Keystone: Storm surge model is not available for this location yet.
Martinsburg: Storm surge model is not available for this location yet.
Wildfire
Keystone: 48/100 · Martinsburg: 60/100
Martinsburg is 12 points higher.
Keystone: Wildfire exposure derived from ingested fire potential tiles.
Martinsburg: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Keystone: 39/100 · Martinsburg: 41/100
Martinsburg is 2 points higher.
Keystone: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Martinsburg: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.