City vs city
Des Moines vs Grimes, IA
Grimes currently scores 5 points higher overall than Des Moines, 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 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 · Grimes: 51/100
Grimes is 5 points higher.
Flood
Des Moines: 73/100 · Grimes: 52/100
Des Moines is 21 points higher.
Des Moines: FEMA NFHL flood zones: 10 features intersect this tile.
Grimes: FEMA NFHL flood zones: 8 features intersect this tile.
Wind
Des Moines: 18/100 · Grimes: 18/100
No gap.
Des Moines: Wind exposure derived from ingested design wind / climatology tiles.
Grimes: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Des Moines: 58/100 · Grimes: 58/100
No gap.
Des Moines: Lightning exposure derived from ingested climatology tiles.
Grimes: Lightning exposure derived from ingested climatology tiles.
Tornado
Des Moines: 12/100 · Grimes: 73/100
Grimes is 61 points higher.
Des Moines: Tornado risk derived from NOAA SPC historical reports.
Grimes: Tornado risk derived from NOAA SPC historical reports.
Hail
Des Moines: 100/100 · Grimes: 100/100
No gap.
Des Moines: Hail risk derived from NOAA SPC historical reports.
Grimes: Hail risk derived from NOAA SPC historical reports.
Storm surge
Des Moines: Unavailable · Grimes: Unavailable
A score difference cannot be calculated without both sources.
Des Moines: Storm surge model is not available for this location yet.
Grimes: Storm surge model is not available for this location yet.
Wildfire
Des Moines: 31/100 · Grimes: 24/100
Des Moines is 7 points higher.
Des Moines: Wildfire exposure derived from ingested fire potential tiles.
Grimes: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Des Moines: 32/100 · Grimes: 30/100
Des Moines is 2 points higher.
Des Moines: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Grimes: Air quality signal derived from the latest EPA AirNow combined AQI grid.