City vs city
Missouri Valley vs Onawa, IA
Onawa currently scores 7 points higher overall than Missouri Valley, 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
Missouri Valley: 29/100 · Onawa: 36/100
Onawa is 7 points higher.
Flood
Missouri Valley: 0/100 · Onawa: 0/100
No gap.
Missouri Valley: FEMA NFHL flood zones: 0 features intersect this tile.
Onawa: FEMA NFHL flood zones: 0 features intersect this tile.
Wind
Missouri Valley: 19/100 · Onawa: 20/100
Onawa is 1 points higher.
Missouri Valley: Wind exposure derived from ingested design wind / climatology tiles.
Onawa: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Missouri Valley: 49/100 · Onawa: 60/100
Onawa is 11 points higher.
Missouri Valley: Lightning exposure derived from ingested climatology tiles.
Onawa: Lightning exposure derived from ingested climatology tiles.
Tornado
Missouri Valley: 35/100 · Onawa: 0/100
Missouri Valley is 35 points higher.
Missouri Valley: Tornado risk derived from NOAA SPC historical reports.
Onawa: Tornado risk derived from NOAA SPC historical reports.
Hail
Missouri Valley: 37/100 · Onawa: 65/100
Onawa is 28 points higher.
Missouri Valley: Hail risk derived from NOAA SPC historical reports.
Onawa: Hail risk derived from NOAA SPC historical reports.
Storm surge
Missouri Valley: Unavailable · Onawa: Unavailable
A score difference cannot be calculated without both sources.
Missouri Valley: Storm surge model is not available for this location yet.
Onawa: Storm surge model is not available for this location yet.
Wildfire
Missouri Valley: 46/100 · Onawa: 49/100
Onawa is 3 points higher.
Missouri Valley: Wildfire exposure derived from ingested fire potential tiles.
Onawa: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Missouri Valley: 14/100 · Onawa: 22/100
Onawa is 8 points higher.
Missouri Valley: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Onawa: Air quality signal derived from the latest EPA AirNow combined AQI grid.