City vs city
Norfolk vs Potomac Mills, VA
Norfolk currently scores 6 points higher overall than Potomac Mills, with the largest gap in tornado.
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
Norfolk: 50/100 · Potomac Mills: 44/100
Norfolk is 6 points higher.
Flood
Norfolk: 46/100 · Potomac Mills: 42/100
Norfolk is 4 points higher.
Norfolk: FEMA NFHL flood zones: 25 features intersect this tile.
Potomac Mills: FEMA NFHL flood zones: 14 features intersect this tile.
Wind
Norfolk: 27/100 · Potomac Mills: 21/100
Norfolk is 6 points higher.
Norfolk: Wind exposure derived from ingested design wind / climatology tiles.
Potomac Mills: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Norfolk: 45/100 · Potomac Mills: 41/100
Norfolk is 4 points higher.
Norfolk: Lightning exposure derived from ingested climatology tiles.
Potomac Mills: Lightning exposure derived from ingested climatology tiles.
Tornado
Norfolk: 46/100 · Potomac Mills: 8/100
Norfolk is 38 points higher.
Norfolk: Tornado risk derived from NOAA SPC historical reports.
Potomac Mills: Tornado risk derived from NOAA SPC historical reports.
Hail
Norfolk: 100/100 · Potomac Mills: 78/100
Norfolk is 22 points higher.
Norfolk: Hail risk derived from NOAA SPC historical reports.
Potomac Mills: Hail risk derived from NOAA SPC historical reports.
Storm surge
Norfolk: 77/100 · Potomac Mills: 93/100
Potomac Mills is 16 points higher.
Norfolk: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Potomac Mills: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Norfolk: 34/100 · Potomac Mills: 30/100
Norfolk is 4 points higher.
Norfolk: Wildfire exposure derived from ingested fire potential tiles.
Potomac Mills: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Norfolk: 27/100 · Potomac Mills: 40/100
Potomac Mills is 13 points higher.
Norfolk: 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.