City vs city
Chattahoochee Hills vs Union City, GA
Union City currently scores 7 points higher overall than Chattahoochee Hills, 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
Chattahoochee Hills: 35/100 · Union City: 42/100
Union City is 7 points higher.
Flood
Chattahoochee Hills: 34/100 · Union City: 39/100
Union City is 5 points higher.
Chattahoochee Hills: FEMA NFHL flood zones: 7 features intersect this tile.
Union City: FEMA NFHL flood zones: 10 features intersect this tile.
Wind
Chattahoochee Hills: 16/100 · Union City: 16/100
No gap.
Chattahoochee Hills: Wind exposure derived from ingested design wind / climatology tiles.
Union City: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Chattahoochee Hills: 61/100 · Union City: 60/100
Chattahoochee Hills is 1 points higher.
Chattahoochee Hills: Lightning exposure derived from ingested climatology tiles.
Union City: Lightning exposure derived from ingested climatology tiles.
Tornado
Chattahoochee Hills: 15/100 · Union City: 4/100
Chattahoochee Hills is 11 points higher.
Chattahoochee Hills: Tornado risk derived from NOAA SPC historical reports.
Union City: Tornado risk derived from NOAA SPC historical reports.
Hail
Chattahoochee Hills: 17/100 · Union City: 80/100
Union City is 63 points higher.
Chattahoochee Hills: Hail risk derived from NOAA SPC historical reports.
Union City: Hail risk derived from NOAA SPC historical reports.
Storm surge
Chattahoochee Hills: Unavailable · Union City: Unavailable
A score difference cannot be calculated without both sources.
Chattahoochee Hills: Storm surge model is not available for this location yet.
Union City: Storm surge model is not available for this location yet.
Wildfire
Chattahoochee Hills: 66/100 · Union City: 63/100
Chattahoochee Hills is 3 points higher.
Chattahoochee Hills: Wildfire exposure derived from ingested fire potential tiles.
Union City: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Chattahoochee Hills: 33/100 · Union City: 34/100
Union City is 1 points higher.
Chattahoochee Hills: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Union 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.