City vs city
Chattanooga vs Roan Mountain, TN
Chattanooga currently scores 14 points higher overall than Roan Mountain, 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 uses an ingested EPA AirNow snapshot and may not reflect current conditions; 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: 41/100 · Roan Mountain: 27/100
Chattanooga is 14 points higher.
Flood
Chattanooga: 37/100 · Roan Mountain: 22/100
Chattanooga is 15 points higher.
Chattanooga: FEMA NFHL flood zones: 7 features intersect this tile.
Roan Mountain: FEMA NFHL flood zones: 2 features intersect this tile.
Wind
Chattanooga: 14/100 · Roan Mountain: 15/100
Roan Mountain is 1 points higher.
Chattanooga: Wind exposure derived from ingested design wind / climatology tiles.
Roan Mountain: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Chattanooga: 52/100 · Roan Mountain: 36/100
Chattanooga is 16 points higher.
Chattanooga: Lightning exposure derived from ingested climatology tiles.
Roan Mountain: Lightning exposure derived from ingested climatology tiles.
Tornado
Chattanooga: 4/100 · Roan Mountain: 0/100
Chattanooga is 4 points higher.
Chattanooga: Tornado risk derived from NOAA SPC historical reports.
Roan Mountain: Tornado risk derived from NOAA SPC historical reports.
Hail
Chattanooga: 75/100 · Roan Mountain: 8/100
Chattanooga is 67 points higher.
Chattanooga: Hail risk derived from NOAA SPC historical reports.
Roan Mountain: Hail risk derived from NOAA SPC historical reports.
Storm surge
Chattanooga: Unavailable · Roan Mountain: Unavailable
A score difference cannot be calculated without both sources.
Chattanooga: Storm surge model is not available for this location yet.
Roan Mountain: Storm surge model is not available for this location yet.
Wildfire
Chattanooga: 69/100 · Roan Mountain: 52/100
Chattanooga is 17 points higher.
Chattanooga: Wildfire exposure derived from ingested fire potential tiles.
Roan Mountain: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Chattanooga: 36/100 · Roan Mountain: 31/100
Chattanooga is 5 points higher.
Chattanooga: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Roan Mountain: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.