City vs city
Chattanooga vs Walnut Grove, TN
Chattanooga currently scores 14 points higher overall than Walnut Grove, with the largest gap in wildfire.
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 · Walnut Grove: 35/100
Chattanooga is 14 points higher.
Flood
Chattanooga: 45/100 · Walnut Grove: 31/100
Chattanooga is 14 points higher.
Chattanooga: FEMA NFHL flood zones: 15 features intersect this tile.
Walnut Grove: FEMA NFHL flood zones: 6 features intersect this tile.
Wind
Chattanooga: 14/100 · Walnut Grove: 14/100
No gap.
Chattanooga: Wind exposure derived from ingested design wind / climatology tiles.
Walnut Grove: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Chattanooga: 52/100 · Walnut Grove: 51/100
Chattanooga is 1 points higher.
Chattanooga: Lightning exposure derived from ingested climatology tiles.
Walnut Grove: Lightning exposure derived from ingested climatology tiles.
Tornado
Chattanooga: 27/100 · Walnut Grove: 38/100
Walnut Grove is 11 points higher.
Chattanooga: Tornado risk derived from NOAA SPC historical reports.
Walnut Grove: Tornado risk derived from NOAA SPC historical reports.
Hail
Chattanooga: 100/100 · Walnut Grove: 56/100
Chattanooga is 44 points higher.
Chattanooga: Hail risk derived from NOAA SPC historical reports.
Walnut Grove: Hail risk derived from NOAA SPC historical reports.
Storm surge
Chattanooga: Unavailable · Walnut Grove: Unavailable
A score difference cannot be calculated without both sources.
Chattanooga: Storm surge model is not available for this location yet.
Walnut Grove: Storm surge model is not available for this location yet.
Wildfire
Chattanooga: 71/100 · Walnut Grove: 18/100
Chattanooga is 53 points higher.
Chattanooga: Wildfire exposure derived from ingested fire potential tiles.
Walnut Grove: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Chattanooga: 36/100 · Walnut Grove: 37/100
Walnut Grove is 1 points higher.
Chattanooga: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Walnut Grove: Air quality signal derived from the latest EPA AirNow combined AQI grid.