City vs city
Omaha vs South Sioux City, NE
Omaha currently scores 10 points higher overall than South Sioux City, with the largest gap in tornado.
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
Omaha: 46/100 · South Sioux City: 36/100
Omaha is 10 points higher.
Flood
Omaha: 25/100 · South Sioux City: 5/100
Omaha is 20 points higher.
Omaha: FEMA NFHL flood zones: 5 features intersect this tile.
South Sioux City: FEMA NFHL flood zones: 2 features intersect this tile.
Wind
Omaha: 19/100 · South Sioux City: 20/100
South Sioux City is 1 points higher.
Omaha: Wind exposure derived from ingested design wind / climatology tiles.
South Sioux City: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Omaha: 50/100 · South Sioux City: 49/100
Omaha is 1 points higher.
Omaha: Lightning exposure derived from ingested climatology tiles.
South Sioux City: Lightning exposure derived from ingested climatology tiles.
Tornado
Omaha: 54/100 · South Sioux City: 4/100
Omaha is 50 points higher.
Omaha: Tornado risk derived from NOAA SPC historical reports.
South Sioux City: Tornado risk derived from NOAA SPC historical reports.
Hail
Omaha: 100/100 · South Sioux City: 100/100
No gap.
Omaha: Hail risk derived from NOAA SPC historical reports.
South Sioux City: Hail risk derived from NOAA SPC historical reports.
Storm surge
Omaha: Unavailable · South Sioux City: Unavailable
A score difference cannot be calculated without both sources.
Omaha: Storm surge model is not available for this location yet.
South Sioux City: Storm surge model is not available for this location yet.
Wildfire
Omaha: 50/100 · South Sioux City: 50/100
No gap.
Omaha: Wildfire exposure derived from ingested fire potential tiles.
South Sioux City: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Omaha: 23/100 · South Sioux City: 26/100
South Sioux City is 3 points higher.
Omaha: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
South 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.