City vs city
Millbrook Colony vs Mount Vernon, SD
Mount Vernon currently scores 6 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 · Mount Vernon: 42/100
Mount Vernon is 6 points higher.
Flood
Millbrook Colony: 63/100 · Mount Vernon: 41/100
Millbrook Colony is 22 points higher.
Millbrook Colony: FEMA NFHL flood zones: 22 features intersect this tile.
Mount Vernon: FEMA NFHL flood zones: 2 features intersect this tile.
Wind
Millbrook Colony: 21/100 · Mount Vernon: 21/100
No gap.
Millbrook Colony: Wind exposure derived from ingested design wind / climatology tiles.
Mount Vernon: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Millbrook Colony: 51/100 · Mount Vernon: 49/100
Millbrook Colony is 2 points higher.
Millbrook Colony: Lightning exposure derived from ingested climatology tiles.
Mount Vernon: Lightning exposure derived from ingested climatology tiles.
Tornado
Millbrook Colony: 0/100 · Mount Vernon: 23/100
Mount Vernon is 23 points higher.
Millbrook Colony: Tornado risk derived from NOAA SPC historical reports.
Mount Vernon: Tornado risk derived from NOAA SPC historical reports.
Hail
Millbrook Colony: 23/100 · Mount Vernon: 71/100
Mount Vernon is 48 points higher.
Millbrook Colony: Hail risk derived from NOAA SPC historical reports.
Mount Vernon: Hail risk derived from NOAA SPC historical reports.
Storm surge
Millbrook Colony: Unavailable · Mount Vernon: Unavailable
A score difference cannot be calculated without both sources.
Millbrook Colony: Storm surge model is not available for this location yet.
Mount Vernon: Storm surge model is not available for this location yet.
Wildfire
Millbrook Colony: 46/100 · Mount Vernon: 47/100
Mount Vernon is 1 points higher.
Millbrook Colony: Wildfire exposure derived from ingested fire potential tiles.
Mount Vernon: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Millbrook Colony: 12/100 · Mount Vernon: Unavailable
A score difference cannot be calculated without both sources.
Millbrook Colony: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Mount Vernon: Air quality model is not available for this location yet.