City vs city
Sigourney vs Webster, IA
Webster currently scores 2 points higher overall than Sigourney, 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 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
Sigourney: 34/100 · Webster: 36/100
Webster is 2 points higher.
Flood
Sigourney: 66/100 · Webster: 66/100
No gap.
Sigourney: FEMA NFHL flood zones: 3 features intersect this tile.
Webster: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Sigourney: 17/100 · Webster: 17/100
No gap.
Sigourney: Wind exposure derived from ingested design wind / climatology tiles.
Webster: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Sigourney: 49/100 · Webster: 48/100
Sigourney is 1 points higher.
Sigourney: Lightning exposure derived from ingested climatology tiles.
Webster: Lightning exposure derived from ingested climatology tiles.
Tornado
Sigourney: 8/100 · Webster: 27/100
Webster is 19 points higher.
Sigourney: Tornado risk derived from NOAA SPC historical reports.
Webster: Tornado risk derived from NOAA SPC historical reports.
Hail
Sigourney: 40/100 · Webster: 28/100
Sigourney is 12 points higher.
Sigourney: Hail risk derived from NOAA SPC historical reports.
Webster: Hail risk derived from NOAA SPC historical reports.
Storm surge
Sigourney: Unavailable · Webster: Unavailable
A score difference cannot be calculated without both sources.
Sigourney: Storm surge model is not available for this location yet.
Webster: Storm surge model is not available for this location yet.
Wildfire
Sigourney: 32/100 · Webster: 40/100
Webster is 8 points higher.
Sigourney: Wildfire exposure derived from ingested fire potential tiles.
Webster: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Sigourney: 24/100 · Webster: 24/100
No gap.
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.
Webster: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.