City vs city
Bronson vs Sergeant Bluff, IA
Sergeant Bluff currently scores 1 points higher overall than Bronson, 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
Bronson: 40/100 · Sergeant Bluff: 41/100
Sergeant Bluff is 1 points higher.
Flood
Bronson: 55/100 · Sergeant Bluff: 8/100
Bronson is 47 points higher.
Bronson: FEMA NFHL flood zones: 4 features intersect this tile.
Sergeant Bluff: FEMA NFHL flood zones: 3 features intersect this tile.
Wind
Bronson: 20/100 · Sergeant Bluff: 20/100
No gap.
Bronson: Wind exposure derived from ingested design wind / climatology tiles.
Sergeant Bluff: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Bronson: 54/100 · Sergeant Bluff: 54/100
No gap.
Bronson: Lightning exposure derived from ingested climatology tiles.
Sergeant Bluff: Lightning exposure derived from ingested climatology tiles.
Tornado
Bronson: 0/100 · Sergeant Bluff: 27/100
Sergeant Bluff is 27 points higher.
Bronson: Tornado risk derived from NOAA SPC historical reports.
Sergeant Bluff: Tornado risk derived from NOAA SPC historical reports.
Hail
Bronson: 35/100 · Sergeant Bluff: 100/100
Sergeant Bluff is 65 points higher.
Bronson: Hail risk derived from NOAA SPC historical reports.
Sergeant Bluff: Hail risk derived from NOAA SPC historical reports.
Storm surge
Bronson: Unavailable · Sergeant Bluff: Unavailable
A score difference cannot be calculated without both sources.
Bronson: Storm surge model is not available for this location yet.
Sergeant Bluff: Storm surge model is not available for this location yet.
Wildfire
Bronson: 48/100 · Sergeant Bluff: 54/100
Sergeant Bluff is 6 points higher.
Bronson: Wildfire exposure derived from ingested fire potential tiles.
Sergeant Bluff: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Bronson: 26/100 · Sergeant Bluff: 26/100
No gap.
Bronson: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Sergeant Bluff: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.