City vs city
Roanoke vs Sandston, VA
Roanoke currently scores 5 points higher overall than Sandston, 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
Roanoke: 39/100 · Sandston: 34/100
Roanoke is 5 points higher.
Flood
Roanoke: 24/100 · Sandston: 31/100
Sandston is 7 points higher.
Roanoke: FEMA NFHL flood zones: 9 features intersect this tile.
Sandston: FEMA NFHL flood zones: 14 features intersect this tile.
Wind
Roanoke: 17/100 · Sandston: 21/100
Sandston is 4 points higher.
Roanoke: Wind exposure derived from ingested design wind / climatology tiles.
Sandston: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Roanoke: 30/100 · Sandston: 47/100
Sandston is 17 points higher.
Roanoke: Lightning exposure derived from ingested climatology tiles.
Sandston: Lightning exposure derived from ingested climatology tiles.
Tornado
Roanoke: 19/100 · Sandston: 12/100
Roanoke is 7 points higher.
Roanoke: Tornado risk derived from NOAA SPC historical reports.
Sandston: Tornado risk derived from NOAA SPC historical reports.
Hail
Roanoke: 100/100 · Sandston: 57/100
Roanoke is 43 points higher.
Roanoke: Hail risk derived from NOAA SPC historical reports.
Sandston: Hail risk derived from NOAA SPC historical reports.
Storm surge
Roanoke: Unavailable · Sandston: Unavailable
A score difference cannot be calculated without both sources.
Roanoke: Storm surge model is not available for this location yet.
Sandston: Storm surge model is not available for this location yet.
Wildfire
Roanoke: 51/100 · Sandston: 38/100
Roanoke is 13 points higher.
Roanoke: Wildfire exposure derived from ingested fire potential tiles.
Sandston: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Roanoke: 35/100 · Sandston: 33/100
Roanoke is 2 points higher.
Roanoke: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Sandston: Air quality signal derived from the latest EPA AirNow combined AQI grid.