City vs city
Blencoe vs Sergeant Bluff, IA
Sergeant Bluff currently scores 8 points higher overall than Blencoe, with the largest gap in tornado.
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
Blencoe: 33/100 · Sergeant Bluff: 41/100
Sergeant Bluff is 8 points higher.
Flood
Blencoe: 0/100 · Sergeant Bluff: 8/100
Sergeant Bluff is 8 points higher.
Blencoe: FEMA NFHL flood zones: 0 features intersect this tile.
Sergeant Bluff: FEMA NFHL flood zones: 3 features intersect this tile.
Wind
Blencoe: 20/100 · Sergeant Bluff: 20/100
No gap.
Blencoe: Wind exposure derived from ingested design wind / climatology tiles.
Sergeant Bluff: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Blencoe: 56/100 · Sergeant Bluff: 54/100
Blencoe is 2 points higher.
Blencoe: Lightning exposure derived from ingested climatology tiles.
Sergeant Bluff: Lightning exposure derived from ingested climatology tiles.
Tornado
Blencoe: 4/100 · Sergeant Bluff: 27/100
Sergeant Bluff is 23 points higher.
Blencoe: Tornado risk derived from NOAA SPC historical reports.
Sergeant Bluff: Tornado risk derived from NOAA SPC historical reports.
Hail
Blencoe: 86/100 · Sergeant Bluff: 100/100
Sergeant Bluff is 14 points higher.
Blencoe: Hail risk derived from NOAA SPC historical reports.
Sergeant Bluff: Hail risk derived from NOAA SPC historical reports.
Storm surge
Blencoe: Unavailable · Sergeant Bluff: Unavailable
A score difference cannot be calculated without both sources.
Blencoe: Storm surge model is not available for this location yet.
Sergeant Bluff: Storm surge model is not available for this location yet.
Wildfire
Blencoe: 47/100 · Sergeant Bluff: 54/100
Sergeant Bluff is 7 points higher.
Blencoe: Wildfire exposure derived from ingested fire potential tiles.
Sergeant Bluff: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Blencoe: 16/100 · Sergeant Bluff: 26/100
Sergeant Bluff is 10 points higher.
Blencoe: 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.