City vs city
Chattanooga vs Colonial Heights, TN
Chattanooga currently scores 20 points higher overall than Colonial Heights, 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 · Colonial Heights: 29/100
Chattanooga is 20 points higher.
Flood
Chattanooga: 45/100 · Colonial Heights: 28/100
Chattanooga is 17 points higher.
Chattanooga: FEMA NFHL flood zones: 15 features intersect this tile.
Colonial Heights: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Chattanooga: 14/100 · Colonial Heights: 14/100
No gap.
Chattanooga: Wind exposure derived from ingested design wind / climatology tiles.
Colonial Heights: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Chattanooga: 52/100 · Colonial Heights: 30/100
Chattanooga is 22 points higher.
Chattanooga: Lightning exposure derived from ingested climatology tiles.
Colonial Heights: Lightning exposure derived from ingested climatology tiles.
Tornado
Chattanooga: 27/100 · Colonial Heights: 12/100
Chattanooga is 15 points higher.
Chattanooga: Tornado risk derived from NOAA SPC historical reports.
Colonial Heights: Tornado risk derived from NOAA SPC historical reports.
Hail
Chattanooga: 100/100 · Colonial Heights: 47/100
Chattanooga is 53 points higher.
Chattanooga: Hail risk derived from NOAA SPC historical reports.
Colonial Heights: Hail risk derived from NOAA SPC historical reports.
Storm surge
Chattanooga: Unavailable · Colonial Heights: Unavailable
A score difference cannot be calculated without both sources.
Chattanooga: Storm surge model is not available for this location yet.
Colonial Heights: Storm surge model is not available for this location yet.
Wildfire
Chattanooga: 71/100 · Colonial Heights: 34/100
Chattanooga is 37 points higher.
Chattanooga: Wildfire exposure derived from ingested fire potential tiles.
Colonial Heights: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Chattanooga: 36/100 · Colonial Heights: 35/100
Chattanooga is 1 points higher.
Chattanooga: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Colonial Heights: Air quality signal derived from the latest EPA AirNow combined AQI grid.