City vs city
Ashton vs Rock Rapids, IA
Rock Rapids currently scores 2 points higher overall than Ashton, 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
Ashton: 46/100 · Rock Rapids: 48/100
Rock Rapids is 2 points higher.
Flood
Ashton: 55/100 · Rock Rapids: 71/100
Rock Rapids is 16 points higher.
Ashton: FEMA NFHL flood zones: 4 features intersect this tile.
Rock Rapids: FEMA NFHL flood zones: 9 features intersect this tile.
Wind
Ashton: 19/100 · Rock Rapids: 20/100
Rock Rapids is 1 points higher.
Ashton: Wind exposure derived from ingested design wind / climatology tiles.
Rock Rapids: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Ashton: 53/100 · Rock Rapids: 45/100
Ashton is 8 points higher.
Ashton: Lightning exposure derived from ingested climatology tiles.
Rock Rapids: Lightning exposure derived from ingested climatology tiles.
Tornado
Ashton: 38/100 · Rock Rapids: 0/100
Ashton is 38 points higher.
Ashton: Tornado risk derived from NOAA SPC historical reports.
Rock Rapids: Tornado risk derived from NOAA SPC historical reports.
Hail
Ashton: 100/100 · Rock Rapids: 100/100
No gap.
Ashton: Hail risk derived from NOAA SPC historical reports.
Rock Rapids: Hail risk derived from NOAA SPC historical reports.
Storm surge
Ashton: Unavailable · Rock Rapids: Unavailable
A score difference cannot be calculated without both sources.
Ashton: Storm surge model is not available for this location yet.
Rock Rapids: Storm surge model is not available for this location yet.
Wildfire
Ashton: 35/100 · Rock Rapids: 32/100
Ashton is 3 points higher.
Ashton: Wildfire exposure derived from ingested fire potential tiles.
Rock Rapids: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Ashton: 21/100 · Rock Rapids: 21/100
No gap.
Ashton: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Rock Rapids: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.