City vs city
Millbrook Colony vs Sioux Falls, SD
Sioux Falls currently scores 14 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 · Sioux Falls: 50/100
Sioux Falls is 14 points higher.
Flood
Millbrook Colony: 63/100 · Sioux Falls: 52/100
Millbrook Colony is 11 points higher.
Millbrook Colony: FEMA NFHL flood zones: 22 features intersect this tile.
Sioux Falls: FEMA NFHL flood zones: 17 features intersect this tile.
Wind
Millbrook Colony: 21/100 · Sioux Falls: 20/100
Millbrook Colony is 1 points higher.
Millbrook Colony: Wind exposure derived from ingested design wind / climatology tiles.
Sioux Falls: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Millbrook Colony: 51/100 · Sioux Falls: 46/100
Millbrook Colony is 5 points higher.
Millbrook Colony: Lightning exposure derived from ingested climatology tiles.
Sioux Falls: Lightning exposure derived from ingested climatology tiles.
Tornado
Millbrook Colony: 0/100 · Sioux Falls: 58/100
Sioux Falls is 58 points higher.
Millbrook Colony: Tornado risk derived from NOAA SPC historical reports.
Sioux Falls: Tornado risk derived from NOAA SPC historical reports.
Hail
Millbrook Colony: 23/100 · Sioux Falls: 100/100
Sioux Falls is 77 points higher.
Millbrook Colony: Hail risk derived from NOAA SPC historical reports.
Sioux Falls: Hail risk derived from NOAA SPC historical reports.
Storm surge
Millbrook Colony: Unavailable · Sioux Falls: Unavailable
A score difference cannot be calculated without both sources.
Millbrook Colony: Storm surge model is not available for this location yet.
Sioux Falls: Storm surge model is not available for this location yet.
Wildfire
Millbrook Colony: 46/100 · Sioux Falls: 51/100
Sioux Falls is 5 points higher.
Millbrook Colony: Wildfire exposure derived from ingested fire potential tiles.
Sioux Falls: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Millbrook Colony: 12/100 · Sioux Falls: 21/100
Sioux Falls is 9 points higher.
Millbrook Colony: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Sioux Falls: Air quality signal derived from the latest EPA AirNow combined AQI grid.