City vs city
Granger vs Sioux City, IA
Granger and Sioux City are tied on overall score, with the biggest factor difference 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
Granger: 39/100 · Sioux City: 39/100
No gap.
Flood
Granger: 67/100 · Sioux City: 4/100
Granger is 63 points higher.
Granger: FEMA NFHL flood zones: 9 features intersect this tile.
Sioux City: FEMA NFHL flood zones: 2 features intersect this tile.
Wind
Granger: 18/100 · Sioux City: 20/100
Sioux City is 2 points higher.
Granger: Wind exposure derived from ingested design wind / climatology tiles.
Sioux City: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Granger: 58/100 · Sioux City: 52/100
Granger is 6 points higher.
Granger: Lightning exposure derived from ingested climatology tiles.
Sioux City: Lightning exposure derived from ingested climatology tiles.
Tornado
Granger: 4/100 · Sioux City: 38/100
Sioux City is 34 points higher.
Granger: Tornado risk derived from NOAA SPC historical reports.
Sioux City: Tornado risk derived from NOAA SPC historical reports.
Hail
Granger: 68/100 · Sioux City: 86/100
Sioux City is 18 points higher.
Granger: Hail risk derived from NOAA SPC historical reports.
Sioux City: Hail risk derived from NOAA SPC historical reports.
Storm surge
Granger: Unavailable · Sioux City: Unavailable
A score difference cannot be calculated without both sources.
Granger: Storm surge model is not available for this location yet.
Sioux City: Storm surge model is not available for this location yet.
Wildfire
Granger: 29/100 · Sioux City: 48/100
Sioux City is 19 points higher.
Granger: Wildfire exposure derived from ingested fire potential tiles.
Sioux City: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Granger: 30/100 · Sioux City: 26/100
Granger is 4 points higher.
Granger: 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.