City vs city
Rock Rapids vs Sibley, IA
Rock Rapids currently scores 25 points higher overall than Sibley, 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
Rock Rapids: 48/100 · Sibley: 23/100
Rock Rapids is 25 points higher.
Flood
Rock Rapids: 71/100 · Sibley: 0/100
Rock Rapids is 71 points higher.
Rock Rapids: FEMA NFHL flood zones: 9 features intersect this tile.
Sibley: FEMA NFHL flood zones: 0 features intersect this tile.
Wind
Rock Rapids: 20/100 · Sibley: 19/100
Rock Rapids is 1 points higher.
Rock Rapids: Wind exposure derived from ingested design wind / climatology tiles.
Sibley: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Rock Rapids: 45/100 · Sibley: 51/100
Sibley is 6 points higher.
Rock Rapids: Lightning exposure derived from ingested climatology tiles.
Sibley: Lightning exposure derived from ingested climatology tiles.
Tornado
Rock Rapids: 0/100 · Sibley: 23/100
Sibley is 23 points higher.
Rock Rapids: Tornado risk derived from NOAA SPC historical reports.
Sibley: Tornado risk derived from NOAA SPC historical reports.
Hail
Rock Rapids: 100/100 · Sibley: 21/100
Rock Rapids is 79 points higher.
Rock Rapids: Hail risk derived from NOAA SPC historical reports.
Sibley: Hail risk derived from NOAA SPC historical reports.
Storm surge
Rock Rapids: Unavailable · Sibley: Unavailable
A score difference cannot be calculated without both sources.
Rock Rapids: Storm surge model is not available for this location yet.
Sibley: Storm surge model is not available for this location yet.
Wildfire
Rock Rapids: 32/100 · Sibley: 28/100
Rock Rapids is 4 points higher.
Rock Rapids: Wildfire exposure derived from ingested fire potential tiles.
Sibley: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Rock Rapids: 21/100 · Sibley: 21/100
No gap.
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.
Sibley: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.