City vs city
Chattanooga vs New Union, TN
Chattanooga currently scores 17 points higher overall than New 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 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
Chattanooga: 49/100 · New Union: 32/100
Chattanooga is 17 points higher.
Flood
Chattanooga: 45/100 · New Union: 30/100
Chattanooga is 15 points higher.
Chattanooga: FEMA NFHL flood zones: 15 features intersect this tile.
New Union: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Chattanooga: 14/100 · New Union: 14/100
No gap.
Chattanooga: Wind exposure derived from ingested design wind / climatology tiles.
New Union: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Chattanooga: 52/100 · New Union: 49/100
Chattanooga is 3 points higher.
Chattanooga: Lightning exposure derived from ingested climatology tiles.
New Union: Lightning exposure derived from ingested climatology tiles.
Tornado
Chattanooga: 27/100 · New Union: 27/100
No gap.
Chattanooga: Tornado risk derived from NOAA SPC historical reports.
New Union: Tornado risk derived from NOAA SPC historical reports.
Hail
Chattanooga: 100/100 · New Union: 24/100
Chattanooga is 76 points higher.
Chattanooga: Hail risk derived from NOAA SPC historical reports.
New Union: Hail risk derived from NOAA SPC historical reports.
Storm surge
Chattanooga: Unavailable · New Union: Unavailable
A score difference cannot be calculated without both sources.
Chattanooga: Storm surge model is not available for this location yet.
New Union: Storm surge model is not available for this location yet.
Wildfire
Chattanooga: 71/100 · New Union: 49/100
Chattanooga is 22 points higher.
Chattanooga: Wildfire exposure derived from ingested fire potential tiles.
New Union: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Chattanooga: 36/100 · New Union: 31/100
Chattanooga is 5 points higher.
Chattanooga: Air quality signal derived from the latest EPA AirNow combined AQI grid.
New Union: Air quality signal derived from the latest EPA AirNow combined AQI grid.