City vs city
Centennial vs Rock River, WY
Rock River currently scores 8 points higher overall than Centennial, 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 is a current EPA AirNow signal; 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
Centennial: 30/100 · Rock River: 38/100
Rock River is 8 points higher.
Flood
Centennial: 61/100 · Rock River: 79/100
Rock River is 18 points higher.
Centennial: FEMA NFHL flood zones: 1 features intersect this tile.
Rock River: FEMA NFHL flood zones: 3 features intersect this tile.
Wind
Centennial: 15/100 · Rock River: 16/100
Rock River is 1 points higher.
Centennial: Wind exposure derived from ingested design wind / climatology tiles.
Rock River: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Centennial: 15/100 · Rock River: 15/100
No gap.
Centennial: Lightning exposure derived from ingested climatology tiles.
Rock River: Lightning exposure derived from ingested climatology tiles.
Tornado
Centennial: 0/100 · Rock River: 0/100
No gap.
Centennial: Tornado risk derived from NOAA SPC historical reports.
Rock River: Tornado risk derived from NOAA SPC historical reports.
Hail
Centennial: 1/100 · Rock River: 38/100
Rock River is 37 points higher.
Centennial: Hail risk derived from NOAA SPC historical reports.
Rock River: Hail risk derived from NOAA SPC historical reports.
Storm surge
Centennial: Unavailable · Rock River: Unavailable
A score difference cannot be calculated without both sources.
Centennial: Storm surge model is not available for this location yet.
Rock River: Storm surge model is not available for this location yet.
Wildfire
Centennial: 47/100 · Rock River: 39/100
Centennial is 8 points higher.
Centennial: Wildfire exposure derived from ingested fire potential tiles.
Rock River: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Centennial: 40/100 · Rock River: 40/100
No gap.
Centennial: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Rock River: Air quality signal derived from the latest EPA AirNow combined AQI grid.