City vs city
Doon vs Sioux City, IA
Doon currently scores 8 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 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
Doon: 47/100 · Sioux City: 39/100
Doon is 8 points higher.
Flood
Doon: 67/100 · Sioux City: 4/100
Doon is 63 points higher.
Doon: FEMA NFHL flood zones: 11 features intersect this tile.
Sioux City: FEMA NFHL flood zones: 2 features intersect this tile.
Wind
Doon: 20/100 · Sioux City: 20/100
No gap.
Doon: Wind exposure derived from ingested design wind / climatology tiles.
Sioux City: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Doon: 48/100 · Sioux City: 52/100
Sioux City is 4 points higher.
Doon: Lightning exposure derived from ingested climatology tiles.
Sioux City: Lightning exposure derived from ingested climatology tiles.
Tornado
Doon: 35/100 · Sioux City: 38/100
Sioux City is 3 points higher.
Doon: Tornado risk derived from NOAA SPC historical reports.
Sioux City: Tornado risk derived from NOAA SPC historical reports.
Hail
Doon: 100/100 · Sioux City: 86/100
Doon is 14 points higher.
Doon: Hail risk derived from NOAA SPC historical reports.
Sioux City: Hail risk derived from NOAA SPC historical reports.
Storm surge
Doon: Unavailable · Sioux City: Unavailable
A score difference cannot be calculated without both sources.
Doon: Storm surge model is not available for this location yet.
Sioux City: Storm surge model is not available for this location yet.
Wildfire
Doon: 39/100 · Sioux City: 48/100
Sioux City is 9 points higher.
Doon: Wildfire exposure derived from ingested fire potential tiles.
Sioux City: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Doon: 22/100 · Sioux City: 26/100
Sioux City is 4 points higher.
Doon: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Sioux City: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.