City vs city
Chattanooga vs Lewisburg, TN
Chattanooga currently scores 9 points higher overall than Lewisburg, 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 · Lewisburg: 40/100
Chattanooga is 9 points higher.
Flood
Chattanooga: 45/100 · Lewisburg: 41/100
Chattanooga is 4 points higher.
Chattanooga: FEMA NFHL flood zones: 15 features intersect this tile.
Lewisburg: FEMA NFHL flood zones: 16 features intersect this tile.
Wind
Chattanooga: 14/100 · Lewisburg: 14/100
No gap.
Chattanooga: Wind exposure derived from ingested design wind / climatology tiles.
Lewisburg: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Chattanooga: 52/100 · Lewisburg: 58/100
Lewisburg is 6 points higher.
Chattanooga: Lightning exposure derived from ingested climatology tiles.
Lewisburg: Lightning exposure derived from ingested climatology tiles.
Tornado
Chattanooga: 27/100 · Lewisburg: 31/100
Lewisburg is 4 points higher.
Chattanooga: Tornado risk derived from NOAA SPC historical reports.
Lewisburg: Tornado risk derived from NOAA SPC historical reports.
Hail
Chattanooga: 100/100 · Lewisburg: 79/100
Chattanooga is 21 points higher.
Chattanooga: Hail risk derived from NOAA SPC historical reports.
Lewisburg: Hail risk derived from NOAA SPC historical reports.
Storm surge
Chattanooga: Unavailable · Lewisburg: Unavailable
A score difference cannot be calculated without both sources.
Chattanooga: Storm surge model is not available for this location yet.
Lewisburg: Storm surge model is not available for this location yet.
Wildfire
Chattanooga: 71/100 · Lewisburg: 33/100
Chattanooga is 38 points higher.
Chattanooga: Wildfire exposure derived from ingested fire potential tiles.
Lewisburg: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Chattanooga: 36/100 · Lewisburg: 27/100
Chattanooga is 9 points higher.
Chattanooga: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Lewisburg: Air quality signal derived from the latest EPA AirNow combined AQI grid.