City vs city
Des Moines vs Jefferson, IA
Des Moines currently scores 7 points higher overall than Jefferson, 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: 46/100 · Jefferson: 39/100
Des Moines is 7 points higher.
Flood
Des Moines: 73/100 · Jefferson: 50/100
Des Moines is 23 points higher.
Des Moines: FEMA NFHL flood zones: 10 features intersect this tile.
Jefferson: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Des Moines: 18/100 · Jefferson: 19/100
Jefferson is 1 points higher.
Des Moines: Wind exposure derived from ingested design wind / climatology tiles.
Jefferson: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Des Moines: 58/100 · Jefferson: 70/100
Jefferson is 12 points higher.
Des Moines: Lightning exposure derived from ingested climatology tiles.
Jefferson: Lightning exposure derived from ingested climatology tiles.
Tornado
Des Moines: 12/100 · Jefferson: 4/100
Des Moines is 8 points higher.
Des Moines: Tornado risk derived from NOAA SPC historical reports.
Jefferson: Tornado risk derived from NOAA SPC historical reports.
Hail
Des Moines: 100/100 · Jefferson: 77/100
Des Moines is 23 points higher.
Des Moines: Hail risk derived from NOAA SPC historical reports.
Jefferson: Hail risk derived from NOAA SPC historical reports.
Storm surge
Des Moines: Unavailable · Jefferson: Unavailable
A score difference cannot be calculated without both sources.
Des Moines: Storm surge model is not available for this location yet.
Jefferson: Storm surge model is not available for this location yet.
Wildfire
Des Moines: 31/100 · Jefferson: 29/100
Des Moines is 2 points higher.
Des Moines: Wildfire exposure derived from ingested fire potential tiles.
Jefferson: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Des Moines: 32/100 · Jefferson: 26/100
Des Moines is 6 points higher.
Des Moines: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Jefferson: Air quality signal derived from the latest EPA AirNow combined AQI grid.