City vs city
Chattanooga vs Powells Crossroads, TN
Chattanooga currently scores 11 points higher overall than Powells Crossroads, 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 · Powells Crossroads: 30/100
Chattanooga is 11 points higher.
Flood
Chattanooga: 37/100 · Powells Crossroads: 27/100
Chattanooga is 10 points higher.
Chattanooga: FEMA NFHL flood zones: 7 features intersect this tile.
Powells Crossroads: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Chattanooga: 14/100 · Powells Crossroads: 14/100
No gap.
Chattanooga: Wind exposure derived from ingested design wind / climatology tiles.
Powells Crossroads: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Chattanooga: 52/100 · Powells Crossroads: 50/100
Chattanooga is 2 points higher.
Chattanooga: Lightning exposure derived from ingested climatology tiles.
Powells Crossroads: Lightning exposure derived from ingested climatology tiles.
Tornado
Chattanooga: 4/100 · Powells Crossroads: 4/100
No gap.
Chattanooga: Tornado risk derived from NOAA SPC historical reports.
Powells Crossroads: Tornado risk derived from NOAA SPC historical reports.
Hail
Chattanooga: 75/100 · Powells Crossroads: 9/100
Chattanooga is 66 points higher.
Chattanooga: Hail risk derived from NOAA SPC historical reports.
Powells Crossroads: Hail risk derived from NOAA SPC historical reports.
Storm surge
Chattanooga: Unavailable · Powells Crossroads: Unavailable
A score difference cannot be calculated without both sources.
Chattanooga: Storm surge model is not available for this location yet.
Powells Crossroads: Storm surge model is not available for this location yet.
Wildfire
Chattanooga: 69/100 · Powells Crossroads: 71/100
Powells Crossroads is 2 points higher.
Chattanooga: Wildfire exposure derived from ingested fire potential tiles.
Powells Crossroads: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Chattanooga: 36/100 · Powells Crossroads: 36/100
No gap.
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.
Powells Crossroads: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.