City vs city
Cromwell vs Mount Ayr, IA
Mount Ayr currently scores 1 points higher overall than Cromwell, 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
Cromwell: 45/100 · Mount Ayr: 46/100
Mount Ayr is 1 points higher.
Flood
Cromwell: 47/100 · Mount Ayr: 55/100
Mount Ayr is 8 points higher.
Cromwell: FEMA NFHL flood zones: 5 features intersect this tile.
Mount Ayr: FEMA NFHL flood zones: 6 features intersect this tile.
Wind
Cromwell: 18/100 · Mount Ayr: 18/100
No gap.
Cromwell: Wind exposure derived from ingested design wind / climatology tiles.
Mount Ayr: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Cromwell: 60/100 · Mount Ayr: 63/100
Mount Ayr is 3 points higher.
Cromwell: Lightning exposure derived from ingested climatology tiles.
Mount Ayr: Lightning exposure derived from ingested climatology tiles.
Tornado
Cromwell: 88/100 · Mount Ayr: 19/100
Cromwell is 69 points higher.
Cromwell: Tornado risk derived from NOAA SPC historical reports.
Mount Ayr: Tornado risk derived from NOAA SPC historical reports.
Hail
Cromwell: 44/100 · Mount Ayr: 99/100
Mount Ayr is 55 points higher.
Cromwell: Hail risk derived from NOAA SPC historical reports.
Mount Ayr: Hail risk derived from NOAA SPC historical reports.
Storm surge
Cromwell: Unavailable · Mount Ayr: Unavailable
A score difference cannot be calculated without both sources.
Cromwell: Storm surge model is not available for this location yet.
Mount Ayr: Storm surge model is not available for this location yet.
Wildfire
Cromwell: 30/100 · Mount Ayr: 43/100
Mount Ayr is 13 points higher.
Cromwell: Wildfire exposure derived from ingested fire potential tiles.
Mount Ayr: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Cromwell: 26/100 · Mount Ayr: 28/100
Mount Ayr is 2 points higher.
Cromwell: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Mount Ayr: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.