City vs city
Shamrock Colony vs Willow Lake, SD
Willow Lake currently scores 9 points higher overall than Shamrock 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
Shamrock Colony: 26/100 · Willow Lake: 35/100
Willow Lake is 9 points higher.
Flood
Shamrock Colony: 49/100 · Willow Lake: 44/100
Shamrock Colony is 5 points higher.
Shamrock Colony: FEMA NFHL flood zones: 13 features intersect this tile.
Willow Lake: FEMA NFHL flood zones: 2 features intersect this tile.
Wind
Shamrock Colony: 21/100 · Willow Lake: 20/100
Shamrock Colony is 1 points higher.
Shamrock Colony: Wind exposure derived from ingested design wind / climatology tiles.
Willow Lake: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Shamrock Colony: 45/100 · Willow Lake: 44/100
Shamrock Colony is 1 points higher.
Shamrock Colony: Lightning exposure derived from ingested climatology tiles.
Willow Lake: Lightning exposure derived from ingested climatology tiles.
Tornado
Shamrock Colony: 4/100 · Willow Lake: 19/100
Willow Lake is 15 points higher.
Shamrock Colony: Tornado risk derived from NOAA SPC historical reports.
Willow Lake: Tornado risk derived from NOAA SPC historical reports.
Hail
Shamrock Colony: 19/100 · Willow Lake: 66/100
Willow Lake is 47 points higher.
Shamrock Colony: Hail risk derived from NOAA SPC historical reports.
Willow Lake: Hail risk derived from NOAA SPC historical reports.
Storm surge
Shamrock Colony: Unavailable · Willow Lake: Unavailable
A score difference cannot be calculated without both sources.
Shamrock Colony: Storm surge model is not available for this location yet.
Willow Lake: Storm surge model is not available for this location yet.
Wildfire
Shamrock Colony: 30/100 · Willow Lake: 34/100
Willow Lake is 4 points higher.
Shamrock Colony: Wildfire exposure derived from ingested fire potential tiles.
Willow Lake: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Shamrock Colony: 17/100 · Willow Lake: 21/100
Willow Lake is 4 points higher.
Shamrock Colony: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Willow Lake: Air quality signal derived from the latest EPA AirNow combined AQI grid.