City vs city
Garden Grove vs Sioux City, IA
Garden Grove and Sioux City are tied on overall score, with the biggest factor difference in hail.
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
Garden Grove: 39/100 · Sioux City: 39/100
No gap.
Flood
Garden Grove: 52/100 · Sioux City: 4/100
Garden Grove is 48 points higher.
Garden Grove: FEMA NFHL flood zones: 3 features intersect this tile.
Sioux City: FEMA NFHL flood zones: 2 features intersect this tile.
Wind
Garden Grove: 18/100 · Sioux City: 20/100
Sioux City is 2 points higher.
Garden Grove: Wind exposure derived from ingested design wind / climatology tiles.
Sioux City: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Garden Grove: 64/100 · Sioux City: 52/100
Garden Grove is 12 points higher.
Garden Grove: Lightning exposure derived from ingested climatology tiles.
Sioux City: Lightning exposure derived from ingested climatology tiles.
Tornado
Garden Grove: 0/100 · Sioux City: 38/100
Sioux City is 38 points higher.
Garden Grove: Tornado risk derived from NOAA SPC historical reports.
Sioux City: Tornado risk derived from NOAA SPC historical reports.
Hail
Garden Grove: 28/100 · Sioux City: 86/100
Sioux City is 58 points higher.
Garden Grove: Hail risk derived from NOAA SPC historical reports.
Sioux City: Hail risk derived from NOAA SPC historical reports.
Storm surge
Garden Grove: Unavailable · Sioux City: Unavailable
A score difference cannot be calculated without both sources.
Garden Grove: Storm surge model is not available for this location yet.
Sioux City: Storm surge model is not available for this location yet.
Wildfire
Garden Grove: 38/100 · Sioux City: 48/100
Sioux City is 10 points higher.
Garden Grove: Wildfire exposure derived from ingested fire potential tiles.
Sioux City: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Garden Grove: 31/100 · Sioux City: 26/100
Garden Grove is 5 points higher.
Garden Grove: 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.