City vs city
Brownsville vs Chattanooga, TN
Chattanooga currently scores 8 points higher overall than Brownsville, 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
Brownsville: 33/100 · Chattanooga: 41/100
Chattanooga is 8 points higher.
Flood
Brownsville: 51/100 · Chattanooga: 37/100
Brownsville is 14 points higher.
Brownsville: FEMA NFHL flood zones: 4 features intersect this tile.
Chattanooga: FEMA NFHL flood zones: 7 features intersect this tile.
Wind
Brownsville: 14/100 · Chattanooga: 14/100
No gap.
Brownsville: Wind exposure derived from ingested design wind / climatology tiles.
Chattanooga: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Brownsville: 63/100 · Chattanooga: 52/100
Brownsville is 11 points higher.
Brownsville: Lightning exposure derived from ingested climatology tiles.
Chattanooga: Lightning exposure derived from ingested climatology tiles.
Tornado
Brownsville: 15/100 · Chattanooga: 4/100
Brownsville is 11 points higher.
Brownsville: Tornado risk derived from NOAA SPC historical reports.
Chattanooga: Tornado risk derived from NOAA SPC historical reports.
Hail
Brownsville: 17/100 · Chattanooga: 75/100
Chattanooga is 58 points higher.
Brownsville: Hail risk derived from NOAA SPC historical reports.
Chattanooga: Hail risk derived from NOAA SPC historical reports.
Storm surge
Brownsville: Unavailable · Chattanooga: Unavailable
A score difference cannot be calculated without both sources.
Brownsville: Storm surge model is not available for this location yet.
Chattanooga: Storm surge model is not available for this location yet.
Wildfire
Brownsville: 43/100 · Chattanooga: 69/100
Chattanooga is 26 points higher.
Brownsville: Wildfire exposure derived from ingested fire potential tiles.
Chattanooga: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Brownsville: 26/100 · Chattanooga: 36/100
Chattanooga is 10 points higher.
Brownsville: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
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.