City vs city
Dale City vs Potomac Mills, VA
Potomac Mills currently scores 12 points higher overall than Dale City, 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 uses an ingested EPA AirNow snapshot and may not reflect current conditions; 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
Dale City: 32/100 · Potomac Mills: 44/100
Potomac Mills is 12 points higher.
Flood
Dale City: 24/100 · Potomac Mills: 42/100
Potomac Mills is 18 points higher.
Dale City: FEMA NFHL flood zones: 4 features intersect this tile.
Potomac Mills: FEMA NFHL flood zones: 14 features intersect this tile.
Wind
Dale City: 20/100 · Potomac Mills: 21/100
Potomac Mills is 1 points higher.
Dale City: Wind exposure derived from ingested design wind / climatology tiles.
Potomac Mills: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Dale City: 42/100 · Potomac Mills: 41/100
Dale City is 1 points higher.
Dale City: Lightning exposure derived from ingested climatology tiles.
Potomac Mills: Lightning exposure derived from ingested climatology tiles.
Tornado
Dale City: 0/100 · Potomac Mills: 8/100
Potomac Mills is 8 points higher.
Dale City: Tornado risk derived from NOAA SPC historical reports.
Potomac Mills: Tornado risk derived from NOAA SPC historical reports.
Hail
Dale City: 35/100 · Potomac Mills: 78/100
Potomac Mills is 43 points higher.
Dale City: Hail risk derived from NOAA SPC historical reports.
Potomac Mills: Hail risk derived from NOAA SPC historical reports.
Storm surge
Dale City: Unavailable · Potomac Mills: 93/100
A score difference cannot be calculated without both sources.
Dale City: Storm surge model is not available for this location yet.
Potomac Mills: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Dale City: 29/100 · Potomac Mills: 30/100
Potomac Mills is 1 points higher.
Dale City: Wildfire exposure derived from ingested fire potential tiles.
Potomac Mills: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Dale City: 40/100 · Potomac Mills: 40/100
No gap.
Dale City: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Potomac Mills: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.