City vs city
Blacksburg vs Roanoke, VA
Blacksburg currently scores 1 points higher overall than Roanoke, 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
Blacksburg: 40/100 · Roanoke: 39/100
Blacksburg is 1 points higher.
Flood
Blacksburg: 22/100 · Roanoke: 24/100
Roanoke is 2 points higher.
Blacksburg: FEMA NFHL flood zones: 3 features intersect this tile.
Roanoke: FEMA NFHL flood zones: 9 features intersect this tile.
Wind
Blacksburg: 17/100 · Roanoke: 17/100
No gap.
Blacksburg: Wind exposure derived from ingested design wind / climatology tiles.
Roanoke: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Blacksburg: 26/100 · Roanoke: 30/100
Roanoke is 4 points higher.
Blacksburg: Lightning exposure derived from ingested climatology tiles.
Roanoke: Lightning exposure derived from ingested climatology tiles.
Tornado
Blacksburg: 0/100 · Roanoke: 19/100
Roanoke is 19 points higher.
Blacksburg: Tornado risk derived from NOAA SPC historical reports.
Roanoke: Tornado risk derived from NOAA SPC historical reports.
Hail
Blacksburg: 100/100 · Roanoke: 100/100
No gap.
Blacksburg: Hail risk derived from NOAA SPC historical reports.
Roanoke: Hail risk derived from NOAA SPC historical reports.
Storm surge
Blacksburg: Unavailable · Roanoke: Unavailable
A score difference cannot be calculated without both sources.
Blacksburg: Storm surge model is not available for this location yet.
Roanoke: Storm surge model is not available for this location yet.
Wildfire
Blacksburg: 42/100 · Roanoke: 51/100
Roanoke is 9 points higher.
Blacksburg: Wildfire exposure derived from ingested fire potential tiles.
Roanoke: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Blacksburg: 35/100 · Roanoke: 35/100
No gap.
Blacksburg: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Roanoke: Air quality signal derived from the latest EPA AirNow combined AQI grid.