City vs city

Sioux City vs Tiffin, IA

Tiffin currently scores 5 points higher overall than Sioux City, with the largest gap in flood.

Use this comparison for relocation decisions, insurance shopping, and hazard-prioritized mitigation planning.

Sioux City

39/100

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Tiffin

44/100

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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

Sioux City: 39/100 · Tiffin: 44/100

Tiffin is 5 points higher.

Flood

Sioux City: 4/100 · Tiffin: 66/100

Tiffin is 62 points higher.

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

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

Wind

Sioux City: 20/100 · Tiffin: 17/100

Sioux City is 3 points higher.

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

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

Lightning

Sioux City: 52/100 · Tiffin: 48/100

Sioux City is 4 points higher.

Sioux City: Lightning exposure derived from ingested climatology tiles.

Tiffin: Lightning exposure derived from ingested climatology tiles.

Tornado

Sioux City: 38/100 · Tiffin: 8/100

Sioux City is 30 points higher.

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

Tiffin: Tornado risk derived from NOAA SPC historical reports.

Hail

Sioux City: 86/100 · Tiffin: 100/100

Tiffin is 14 points higher.

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

Tiffin: Hail risk derived from NOAA SPC historical reports.

Storm surge

Sioux City: Unavailable · Tiffin: Unavailable

A score difference cannot be calculated without both sources.

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

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

Wildfire

Sioux City: 48/100 · Tiffin: 44/100

Sioux City is 4 points higher.

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

Tiffin: Wildfire exposure derived from ingested fire potential tiles.

Current air quality

Sioux City: 26/100 · Tiffin: 25/100

Sioux City is 1 points higher.

Sioux City: Air quality signal derived from the latest EPA AirNow combined AQI grid.

Tiffin: Air quality signal derived from the latest EPA AirNow combined AQI grid.