City vs city
Chattanooga vs Shackle Island, TN
Chattanooga currently scores 18 points higher overall than Shackle Island, 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 · Shackle Island: 31/100
Chattanooga is 18 points higher.
Flood
Chattanooga: 45/100 · Shackle Island: 39/100
Chattanooga is 6 points higher.
Chattanooga: FEMA NFHL flood zones: 15 features intersect this tile.
Shackle Island: FEMA NFHL flood zones: 12 features intersect this tile.
Wind
Chattanooga: 14/100 · Shackle Island: 14/100
No gap.
Chattanooga: Wind exposure derived from ingested design wind / climatology tiles.
Shackle Island: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Chattanooga: 52/100 · Shackle Island: 49/100
Chattanooga is 3 points higher.
Chattanooga: Lightning exposure derived from ingested climatology tiles.
Shackle Island: Lightning exposure derived from ingested climatology tiles.
Tornado
Chattanooga: 27/100 · Shackle Island: 19/100
Chattanooga is 8 points higher.
Chattanooga: Tornado risk derived from NOAA SPC historical reports.
Shackle Island: Tornado risk derived from NOAA SPC historical reports.
Hail
Chattanooga: 100/100 · Shackle Island: 37/100
Chattanooga is 63 points higher.
Chattanooga: Hail risk derived from NOAA SPC historical reports.
Shackle Island: Hail risk derived from NOAA SPC historical reports.
Storm surge
Chattanooga: Unavailable · Shackle Island: Unavailable
A score difference cannot be calculated without both sources.
Chattanooga: Storm surge model is not available for this location yet.
Shackle Island: Storm surge model is not available for this location yet.
Wildfire
Chattanooga: 71/100 · Shackle Island: 19/100
Chattanooga is 52 points higher.
Chattanooga: Wildfire exposure derived from ingested fire potential tiles.
Shackle Island: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Chattanooga: 36/100 · Shackle Island: 37/100
Shackle Island is 1 points higher.
Chattanooga: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Shackle Island: Air quality signal derived from the latest EPA AirNow combined AQI grid.