City vs city
Greenfield vs Sioux City, IA
Sioux City currently scores 5 points higher overall than Greenfield, with the largest gap 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 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
Greenfield: 34/100 · Sioux City: 39/100
Sioux City is 5 points higher.
Flood
Greenfield: 43/100 · Sioux City: 4/100
Greenfield is 39 points higher.
Greenfield: FEMA NFHL flood zones: 2 features intersect this tile.
Sioux City: FEMA NFHL flood zones: 2 features intersect this tile.
Wind
Greenfield: 18/100 · Sioux City: 20/100
Sioux City is 2 points higher.
Greenfield: Wind exposure derived from ingested design wind / climatology tiles.
Sioux City: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Greenfield: 57/100 · Sioux City: 52/100
Greenfield is 5 points higher.
Greenfield: Lightning exposure derived from ingested climatology tiles.
Sioux City: Lightning exposure derived from ingested climatology tiles.
Tornado
Greenfield: 15/100 · Sioux City: 38/100
Sioux City is 23 points higher.
Greenfield: Tornado risk derived from NOAA SPC historical reports.
Sioux City: Tornado risk derived from NOAA SPC historical reports.
Hail
Greenfield: 38/100 · Sioux City: 86/100
Sioux City is 48 points higher.
Greenfield: Hail risk derived from NOAA SPC historical reports.
Sioux City: Hail risk derived from NOAA SPC historical reports.
Storm surge
Greenfield: Unavailable · Sioux City: Unavailable
A score difference cannot be calculated without both sources.
Greenfield: Storm surge model is not available for this location yet.
Sioux City: Storm surge model is not available for this location yet.
Wildfire
Greenfield: 37/100 · Sioux City: 48/100
Sioux City is 11 points higher.
Greenfield: Wildfire exposure derived from ingested fire potential tiles.
Sioux City: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Greenfield: 28/100 · Sioux City: 26/100
Greenfield is 2 points higher.
Greenfield: 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.