City vs city
Christiansburg vs Salem, VA
Salem currently scores 2 points higher overall than Christiansburg, 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 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
Christiansburg: 38/100 · Salem: 40/100
Salem is 2 points higher.
Flood
Christiansburg: 21/100 · Salem: 26/100
Salem is 5 points higher.
Christiansburg: FEMA NFHL flood zones: 4 features intersect this tile.
Salem: FEMA NFHL flood zones: 5 features intersect this tile.
Wind
Christiansburg: 17/100 · Salem: 17/100
No gap.
Christiansburg: Wind exposure derived from ingested design wind / climatology tiles.
Salem: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Christiansburg: 29/100 · Salem: 29/100
No gap.
Christiansburg: Lightning exposure derived from ingested climatology tiles.
Salem: Lightning exposure derived from ingested climatology tiles.
Tornado
Christiansburg: 15/100 · Salem: 23/100
Salem is 8 points higher.
Christiansburg: Tornado risk derived from NOAA SPC historical reports.
Salem: Tornado risk derived from NOAA SPC historical reports.
Hail
Christiansburg: 100/100 · Salem: 100/100
No gap.
Christiansburg: Hail risk derived from NOAA SPC historical reports.
Salem: Hail risk derived from NOAA SPC historical reports.
Storm surge
Christiansburg: Unavailable · Salem: Unavailable
A score difference cannot be calculated without both sources.
Christiansburg: Storm surge model is not available for this location yet.
Salem: Storm surge model is not available for this location yet.
Wildfire
Christiansburg: 49/100 · Salem: 50/100
Salem is 1 points higher.
Christiansburg: Wildfire exposure derived from ingested fire potential tiles.
Salem: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Christiansburg: 35/100 · Salem: 35/100
No gap.
Christiansburg: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Salem: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.