City vs city
Arlington vs Free Union, VA
Arlington currently scores 10 points higher overall than Free Union, 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
Arlington: 43/100 · Free Union: 33/100
Arlington is 10 points higher.
Flood
Arlington: 25/100 · Free Union: 32/100
Free Union is 7 points higher.
Arlington: FEMA NFHL flood zones: 8 features intersect this tile.
Free Union: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Arlington: 21/100 · Free Union: 18/100
Arlington is 3 points higher.
Arlington: Wind exposure derived from ingested design wind / climatology tiles.
Free Union: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Arlington: 39/100 · Free Union: 29/100
Arlington is 10 points higher.
Arlington: Lightning exposure derived from ingested climatology tiles.
Free Union: Lightning exposure derived from ingested climatology tiles.
Tornado
Arlington: 27/100 · Free Union: 8/100
Arlington is 19 points higher.
Arlington: Tornado risk derived from NOAA SPC historical reports.
Free Union: Tornado risk derived from NOAA SPC historical reports.
Hail
Arlington: 100/100 · Free Union: 46/100
Arlington is 54 points higher.
Arlington: Hail risk derived from NOAA SPC historical reports.
Free Union: Hail risk derived from NOAA SPC historical reports.
Storm surge
Arlington: Unavailable · Free Union: Unavailable
A score difference cannot be calculated without both sources.
Arlington: Storm surge model is not available for this location yet.
Free Union: Storm surge model is not available for this location yet.
Wildfire
Arlington: 45/100 · Free Union: 60/100
Free Union is 15 points higher.
Arlington: Wildfire exposure derived from ingested fire potential tiles.
Free Union: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Arlington: 41/100 · Free Union: 35/100
Arlington is 6 points higher.
Arlington: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Free Union: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.