City vs city
Carter Lake vs Sioux City, IA
Carter Lake currently scores 7 points higher overall than Sioux City, with the largest gap in flood.
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 is a current EPA AirNow signal; 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
Carter Lake: 46/100 · Sioux City: 39/100
Carter Lake is 7 points higher.
Flood
Carter Lake: 25/100 · Sioux City: 4/100
Carter Lake is 21 points higher.
Carter Lake: FEMA NFHL flood zones: 5 features intersect this tile.
Sioux City: FEMA NFHL flood zones: 2 features intersect this tile.
Wind
Carter Lake: 19/100 · Sioux City: 20/100
Sioux City is 1 points higher.
Carter Lake: Wind exposure derived from ingested design wind / climatology tiles.
Sioux City: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Carter Lake: 50/100 · Sioux City: 52/100
Sioux City is 2 points higher.
Carter Lake: Lightning exposure derived from ingested climatology tiles.
Sioux City: Lightning exposure derived from ingested climatology tiles.
Tornado
Carter Lake: 54/100 · Sioux City: 38/100
Carter Lake is 16 points higher.
Carter Lake: Tornado risk derived from NOAA SPC historical reports.
Sioux City: Tornado risk derived from NOAA SPC historical reports.
Hail
Carter Lake: 100/100 · Sioux City: 86/100
Carter Lake is 14 points higher.
Carter Lake: Hail risk derived from NOAA SPC historical reports.
Sioux City: Hail risk derived from NOAA SPC historical reports.
Storm surge
Carter Lake: Unavailable · Sioux City: Unavailable
A score difference cannot be calculated without both sources.
Carter Lake: Storm surge model is not available for this location yet.
Sioux City: Storm surge model is not available for this location yet.
Wildfire
Carter Lake: 50/100 · Sioux City: 48/100
Carter Lake is 2 points higher.
Carter Lake: Wildfire exposure derived from ingested fire potential tiles.
Sioux City: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Carter Lake: 23/100 · Sioux City: 26/100
Sioux City is 3 points higher.
Carter Lake: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Sioux City: Air quality signal derived from the latest EPA AirNow combined AQI grid.