City vs city
Ottumwa vs Sigourney, IA
Ottumwa currently scores 7 points higher overall than Sigourney, with the largest gap in hail.
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 uses an ingested EPA AirNow snapshot and may not reflect current conditions; 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
Ottumwa: 41/100 · Sigourney: 34/100
Ottumwa is 7 points higher.
Flood
Ottumwa: 57/100 · Sigourney: 66/100
Sigourney is 9 points higher.
Ottumwa: FEMA NFHL flood zones: 8 features intersect this tile.
Sigourney: FEMA NFHL flood zones: 3 features intersect this tile.
Wind
Ottumwa: 17/100 · Sigourney: 17/100
No gap.
Ottumwa: Wind exposure derived from ingested design wind / climatology tiles.
Sigourney: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Ottumwa: 54/100 · Sigourney: 49/100
Ottumwa is 5 points higher.
Ottumwa: Lightning exposure derived from ingested climatology tiles.
Sigourney: Lightning exposure derived from ingested climatology tiles.
Tornado
Ottumwa: 8/100 · Sigourney: 8/100
No gap.
Ottumwa: Tornado risk derived from NOAA SPC historical reports.
Sigourney: Tornado risk derived from NOAA SPC historical reports.
Hail
Ottumwa: 89/100 · Sigourney: 40/100
Ottumwa is 49 points higher.
Ottumwa: Hail risk derived from NOAA SPC historical reports.
Sigourney: Hail risk derived from NOAA SPC historical reports.
Storm surge
Ottumwa: Unavailable · Sigourney: Unavailable
A score difference cannot be calculated without both sources.
Ottumwa: Storm surge model is not available for this location yet.
Sigourney: Storm surge model is not available for this location yet.
Wildfire
Ottumwa: 38/100 · Sigourney: 32/100
Ottumwa is 6 points higher.
Ottumwa: Wildfire exposure derived from ingested fire potential tiles.
Sigourney: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Ottumwa: 21/100 · Sigourney: 24/100
Sigourney is 3 points higher.
Ottumwa: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Sigourney: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.