City vs city
Alexandria vs Roanoke, VA
Roanoke currently scores 4 points higher overall than Alexandria, 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
Alexandria: 35/100 · Roanoke: 39/100
Roanoke is 4 points higher.
Flood
Alexandria: 12/100 · Roanoke: 24/100
Roanoke is 12 points higher.
Alexandria: FEMA NFHL flood zones: 5 features intersect this tile.
Roanoke: FEMA NFHL flood zones: 9 features intersect this tile.
Wind
Alexandria: 21/100 · Roanoke: 17/100
Alexandria is 4 points higher.
Alexandria: Wind exposure derived from ingested design wind / climatology tiles.
Roanoke: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Alexandria: 40/100 · Roanoke: 30/100
Alexandria is 10 points higher.
Alexandria: Lightning exposure derived from ingested climatology tiles.
Roanoke: Lightning exposure derived from ingested climatology tiles.
Tornado
Alexandria: 15/100 · Roanoke: 19/100
Roanoke is 4 points higher.
Alexandria: Tornado risk derived from NOAA SPC historical reports.
Roanoke: Tornado risk derived from NOAA SPC historical reports.
Hail
Alexandria: 83/100 · Roanoke: 100/100
Roanoke is 17 points higher.
Alexandria: Hail risk derived from NOAA SPC historical reports.
Roanoke: Hail risk derived from NOAA SPC historical reports.
Storm surge
Alexandria: 17/100 · Roanoke: Unavailable
A score difference cannot be calculated without both sources.
Alexandria: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Roanoke: Storm surge model is not available for this location yet.
Wildfire
Alexandria: 47/100 · Roanoke: 51/100
Roanoke is 4 points higher.
Alexandria: Wildfire exposure derived from ingested fire potential tiles.
Roanoke: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Alexandria: 47/100 · Roanoke: 35/100
Alexandria is 12 points higher.
Alexandria: 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.