City vs city
Lorton vs Roanoke, VA
Lorton currently scores 5 points higher overall than Roanoke, 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
Lorton: 44/100 · Roanoke: 39/100
Lorton is 5 points higher.
Flood
Lorton: 42/100 · Roanoke: 24/100
Lorton is 18 points higher.
Lorton: FEMA NFHL flood zones: 14 features intersect this tile.
Roanoke: FEMA NFHL flood zones: 9 features intersect this tile.
Wind
Lorton: 21/100 · Roanoke: 17/100
Lorton is 4 points higher.
Lorton: Wind exposure derived from ingested design wind / climatology tiles.
Roanoke: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Lorton: 41/100 · Roanoke: 30/100
Lorton is 11 points higher.
Lorton: Lightning exposure derived from ingested climatology tiles.
Roanoke: Lightning exposure derived from ingested climatology tiles.
Tornado
Lorton: 8/100 · Roanoke: 19/100
Roanoke is 11 points higher.
Lorton: Tornado risk derived from NOAA SPC historical reports.
Roanoke: Tornado risk derived from NOAA SPC historical reports.
Hail
Lorton: 78/100 · Roanoke: 100/100
Roanoke is 22 points higher.
Lorton: Hail risk derived from NOAA SPC historical reports.
Roanoke: Hail risk derived from NOAA SPC historical reports.
Storm surge
Lorton: 93/100 · Roanoke: Unavailable
A score difference cannot be calculated without both sources.
Lorton: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Roanoke: Storm surge model is not available for this location yet.
Wildfire
Lorton: 30/100 · Roanoke: 51/100
Roanoke is 21 points higher.
Lorton: Wildfire exposure derived from ingested fire potential tiles.
Roanoke: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Lorton: 40/100 · Roanoke: 35/100
Lorton is 5 points higher.
Lorton: 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.