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City vs city

Jefferson vs Sioux City, IA

Jefferson 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.

Jefferson

39/100

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Sioux City

39/100

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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

Jefferson: 39/100 · Sioux City: 39/100

No gap.

Flood

Jefferson: 50/100 · Sioux City: 4/100

Jefferson is 46 points higher.

Jefferson: FEMA NFHL flood zones: 4 features intersect this tile.

Sioux City: FEMA NFHL flood zones: 2 features intersect this tile.

Wind

Jefferson: 19/100 · Sioux City: 20/100

Sioux City is 1 points higher.

Jefferson: Wind exposure derived from ingested design wind / climatology tiles.

Sioux City: Wind exposure derived from ingested design wind / climatology tiles.

Lightning

Jefferson: 70/100 · Sioux City: 52/100

Jefferson is 18 points higher.

Jefferson: Lightning exposure derived from ingested climatology tiles.

Sioux City: Lightning exposure derived from ingested climatology tiles.

Tornado

Jefferson: 4/100 · Sioux City: 38/100

Sioux City is 34 points higher.

Jefferson: Tornado risk derived from NOAA SPC historical reports.

Sioux City: Tornado risk derived from NOAA SPC historical reports.

Hail

Jefferson: 77/100 · Sioux City: 86/100

Sioux City is 9 points higher.

Jefferson: Hail risk derived from NOAA SPC historical reports.

Sioux City: Hail risk derived from NOAA SPC historical reports.

Storm surge

Jefferson: Unavailable · Sioux City: Unavailable

A score difference cannot be calculated without both sources.

Jefferson: Storm surge model is not available for this location yet.

Sioux City: Storm surge model is not available for this location yet.

Wildfire

Jefferson: 29/100 · Sioux City: 48/100

Sioux City is 19 points higher.

Jefferson: Wildfire exposure derived from ingested fire potential tiles.

Sioux City: Wildfire exposure derived from ingested fire potential tiles.

Current air quality

Jefferson: 26/100 · Sioux City: 26/100

No gap.

Jefferson: 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.