City vs city
Hiawatha vs Sioux City, IA
Hiawatha currently scores 5 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
Hiawatha: 44/100 · Sioux City: 39/100
Hiawatha is 5 points higher.
Flood
Hiawatha: 43/100 · Sioux City: 4/100
Hiawatha is 39 points higher.
Hiawatha: FEMA NFHL flood zones: 6 features intersect this tile.
Sioux City: FEMA NFHL flood zones: 2 features intersect this tile.
Wind
Hiawatha: 17/100 · Sioux City: 20/100
Sioux City is 3 points higher.
Hiawatha: Wind exposure derived from ingested design wind / climatology tiles.
Sioux City: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Hiawatha: 40/100 · Sioux City: 52/100
Sioux City is 12 points higher.
Hiawatha: Lightning exposure derived from ingested climatology tiles.
Sioux City: Lightning exposure derived from ingested climatology tiles.
Tornado
Hiawatha: 46/100 · Sioux City: 38/100
Hiawatha is 8 points higher.
Hiawatha: Tornado risk derived from NOAA SPC historical reports.
Sioux City: Tornado risk derived from NOAA SPC historical reports.
Hail
Hiawatha: 100/100 · Sioux City: 86/100
Hiawatha is 14 points higher.
Hiawatha: Hail risk derived from NOAA SPC historical reports.
Sioux City: Hail risk derived from NOAA SPC historical reports.
Storm surge
Hiawatha: Unavailable · Sioux City: Unavailable
A score difference cannot be calculated without both sources.
Hiawatha: Storm surge model is not available for this location yet.
Sioux City: Storm surge model is not available for this location yet.
Wildfire
Hiawatha: 39/100 · Sioux City: 48/100
Sioux City is 9 points higher.
Hiawatha: Wildfire exposure derived from ingested fire potential tiles.
Sioux City: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Hiawatha: 26/100 · Sioux City: 26/100
No gap.
Hiawatha: 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.