City vs city
Chattanooga vs Johnson City, TN
Chattanooga currently scores 16 points higher overall than Johnson City, 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 · Johnson City: 33/100
Chattanooga is 16 points higher.
Flood
Chattanooga: 45/100 · Johnson City: 34/100
Chattanooga is 11 points higher.
Chattanooga: FEMA NFHL flood zones: 15 features intersect this tile.
Johnson City: FEMA NFHL flood zones: 6 features intersect this tile.
Wind
Chattanooga: 14/100 · Johnson City: 14/100
No gap.
Chattanooga: Wind exposure derived from ingested design wind / climatology tiles.
Johnson City: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Chattanooga: 52/100 · Johnson City: 30/100
Chattanooga is 22 points higher.
Chattanooga: Lightning exposure derived from ingested climatology tiles.
Johnson City: Lightning exposure derived from ingested climatology tiles.
Tornado
Chattanooga: 27/100 · Johnson City: 8/100
Chattanooga is 19 points higher.
Chattanooga: Tornado risk derived from NOAA SPC historical reports.
Johnson City: Tornado risk derived from NOAA SPC historical reports.
Hail
Chattanooga: 100/100 · Johnson City: 58/100
Chattanooga is 42 points higher.
Chattanooga: Hail risk derived from NOAA SPC historical reports.
Johnson City: Hail risk derived from NOAA SPC historical reports.
Storm surge
Chattanooga: Unavailable · Johnson City: Unavailable
A score difference cannot be calculated without both sources.
Chattanooga: Storm surge model is not available for this location yet.
Johnson City: Storm surge model is not available for this location yet.
Wildfire
Chattanooga: 71/100 · Johnson City: 50/100
Chattanooga is 21 points higher.
Chattanooga: Wildfire exposure derived from ingested fire potential tiles.
Johnson City: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Chattanooga: 36/100 · Johnson City: 35/100
Chattanooga is 1 points higher.
Chattanooga: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Johnson City: Air quality signal derived from the latest EPA AirNow combined AQI grid.