City vs city
Des Moines vs SeaTac, WA
Des Moines currently scores 4 points higher overall than SeaTac, with the largest gap in flood.
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
Des Moines: 18/100 · SeaTac: 14/100
Des Moines is 4 points higher.
Flood
Des Moines: 74/100 · SeaTac: 25/100
Des Moines is 49 points higher.
Des Moines: FEMA NFHL flood zones: 5 features intersect this tile.
SeaTac: FEMA NFHL flood zones: 11 features intersect this tile.
Wind
Des Moines: 7/100 · SeaTac: 7/100
No gap.
Des Moines: Wind exposure derived from ingested design wind / climatology tiles.
SeaTac: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Des Moines: 2/100 · SeaTac: 1/100
Des Moines is 1 points higher.
Des Moines: Lightning exposure derived from ingested climatology tiles.
SeaTac: Lightning exposure derived from ingested climatology tiles.
Tornado
Des Moines: 8/100 · SeaTac: 0/100
Des Moines is 8 points higher.
Des Moines: Tornado risk derived from NOAA SPC historical reports.
SeaTac: Tornado risk derived from NOAA SPC historical reports.
Hail
Des Moines: 0/100 · SeaTac: 0/100
No gap.
Des Moines: Hail risk derived from NOAA SPC historical reports.
SeaTac: Hail risk derived from NOAA SPC historical reports.
Storm surge
Des Moines: Unavailable · SeaTac: Unavailable
A score difference cannot be calculated without both sources.
Des Moines: Storm surge model is not available for this location yet.
SeaTac: Storm surge model is not available for this location yet.
Wildfire
Des Moines: 10/100 · SeaTac: 30/100
SeaTac is 20 points higher.
Des Moines: Wildfire exposure derived from ingested fire potential tiles.
SeaTac: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Des Moines: 8/100 · SeaTac: 8/100
No gap.
Des Moines: Air quality signal derived from the latest EPA AirNow combined AQI grid.
SeaTac: Air quality signal derived from the latest EPA AirNow combined AQI grid.