City vs city
Millbrook Colony vs Rapid City, SD
Rapid City currently scores 7 points higher overall than Millbrook Colony, 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
Millbrook Colony: 36/100 · Rapid City: 43/100
Rapid City is 7 points higher.
Flood
Millbrook Colony: 63/100 · Rapid City: 53/100
Millbrook Colony is 10 points higher.
Millbrook Colony: FEMA NFHL flood zones: 22 features intersect this tile.
Rapid City: FEMA NFHL flood zones: 8 features intersect this tile.
Wind
Millbrook Colony: 21/100 · Rapid City: 20/100
Millbrook Colony is 1 points higher.
Millbrook Colony: Wind exposure derived from ingested design wind / climatology tiles.
Rapid City: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Millbrook Colony: 51/100 · Rapid City: 23/100
Millbrook Colony is 28 points higher.
Millbrook Colony: Lightning exposure derived from ingested climatology tiles.
Rapid City: Lightning exposure derived from ingested climatology tiles.
Tornado
Millbrook Colony: 0/100 · Rapid City: 23/100
Rapid City is 23 points higher.
Millbrook Colony: Tornado risk derived from NOAA SPC historical reports.
Rapid City: Tornado risk derived from NOAA SPC historical reports.
Hail
Millbrook Colony: 23/100 · Rapid City: 100/100
Rapid City is 77 points higher.
Millbrook Colony: Hail risk derived from NOAA SPC historical reports.
Rapid City: Hail risk derived from NOAA SPC historical reports.
Storm surge
Millbrook Colony: Unavailable · Rapid City: Unavailable
A score difference cannot be calculated without both sources.
Millbrook Colony: Storm surge model is not available for this location yet.
Rapid City: Storm surge model is not available for this location yet.
Wildfire
Millbrook Colony: 46/100 · Rapid City: 57/100
Rapid City is 11 points higher.
Millbrook Colony: Wildfire exposure derived from ingested fire potential tiles.
Rapid City: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Millbrook Colony: 12/100 · Rapid City: 28/100
Rapid City is 16 points higher.
Millbrook Colony: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Rapid City: Air quality signal derived from the latest EPA AirNow combined AQI grid.