City vs city
Annandale vs Roanoke, VA
Annandale currently scores 4 points higher overall than Roanoke, with the largest gap in lightning.
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
Annandale: 43/100 · Roanoke: 39/100
Annandale is 4 points higher.
Flood
Annandale: 25/100 · Roanoke: 24/100
Annandale is 1 points higher.
Annandale: FEMA NFHL flood zones: 8 features intersect this tile.
Roanoke: FEMA NFHL flood zones: 9 features intersect this tile.
Wind
Annandale: 21/100 · Roanoke: 17/100
Annandale is 4 points higher.
Annandale: Wind exposure derived from ingested design wind / climatology tiles.
Roanoke: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Annandale: 39/100 · Roanoke: 30/100
Annandale is 9 points higher.
Annandale: Lightning exposure derived from ingested climatology tiles.
Roanoke: Lightning exposure derived from ingested climatology tiles.
Tornado
Annandale: 27/100 · Roanoke: 19/100
Annandale is 8 points higher.
Annandale: Tornado risk derived from NOAA SPC historical reports.
Roanoke: Tornado risk derived from NOAA SPC historical reports.
Hail
Annandale: 100/100 · Roanoke: 100/100
No gap.
Annandale: Hail risk derived from NOAA SPC historical reports.
Roanoke: Hail risk derived from NOAA SPC historical reports.
Storm surge
Annandale: Unavailable · Roanoke: Unavailable
A score difference cannot be calculated without both sources.
Annandale: Storm surge model is not available for this location yet.
Roanoke: Storm surge model is not available for this location yet.
Wildfire
Annandale: 45/100 · Roanoke: 51/100
Roanoke is 6 points higher.
Annandale: Wildfire exposure derived from ingested fire potential tiles.
Roanoke: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Annandale: 41/100 · Roanoke: 35/100
Annandale is 6 points higher.
Annandale: 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.