City vs city
Gilman vs Marshalltown, IA
Marshalltown currently scores 9 points higher overall than Gilman, 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
Gilman: 46/100 · Marshalltown: 55/100
Marshalltown is 9 points higher.
Flood
Gilman: 49/100 · Marshalltown: 81/100
Marshalltown is 32 points higher.
Gilman: FEMA NFHL flood zones: 7 features intersect this tile.
Marshalltown: FEMA NFHL flood zones: 11 features intersect this tile.
Wind
Gilman: 18/100 · Marshalltown: 18/100
No gap.
Gilman: Wind exposure derived from ingested design wind / climatology tiles.
Marshalltown: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Gilman: 52/100 · Marshalltown: 45/100
Gilman is 7 points higher.
Gilman: Lightning exposure derived from ingested climatology tiles.
Marshalltown: Lightning exposure derived from ingested climatology tiles.
Tornado
Gilman: 73/100 · Marshalltown: 81/100
Marshalltown is 8 points higher.
Gilman: Tornado risk derived from NOAA SPC historical reports.
Marshalltown: Tornado risk derived from NOAA SPC historical reports.
Hail
Gilman: 49/100 · Marshalltown: 100/100
Marshalltown is 51 points higher.
Gilman: Hail risk derived from NOAA SPC historical reports.
Marshalltown: Hail risk derived from NOAA SPC historical reports.
Storm surge
Gilman: Unavailable · Marshalltown: Unavailable
A score difference cannot be calculated without both sources.
Gilman: Storm surge model is not available for this location yet.
Marshalltown: Storm surge model is not available for this location yet.
Wildfire
Gilman: 50/100 · Marshalltown: 33/100
Gilman is 17 points higher.
Gilman: Wildfire exposure derived from ingested fire potential tiles.
Marshalltown: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Gilman: 28/100 · Marshalltown: 28/100
No gap.
Gilman: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Marshalltown: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.