City vs city
Shamrock Colony vs Watertown, SD
Watertown currently scores 24 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 · Watertown: 50/100
Watertown is 24 points higher.
Flood
Shamrock Colony: 49/100 · Watertown: 79/100
Watertown is 30 points higher.
Shamrock Colony: FEMA NFHL flood zones: 13 features intersect this tile.
Watertown: FEMA NFHL flood zones: 8 features intersect this tile.
Wind
Shamrock Colony: 21/100 · Watertown: 20/100
Shamrock Colony is 1 points higher.
Shamrock Colony: Wind exposure derived from ingested design wind / climatology tiles.
Watertown: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Shamrock Colony: 45/100 · Watertown: 42/100
Shamrock Colony is 3 points higher.
Shamrock Colony: Lightning exposure derived from ingested climatology tiles.
Watertown: Lightning exposure derived from ingested climatology tiles.
Tornado
Shamrock Colony: 4/100 · Watertown: 0/100
Shamrock Colony is 4 points higher.
Shamrock Colony: Tornado risk derived from NOAA SPC historical reports.
Watertown: Tornado risk derived from NOAA SPC historical reports.
Hail
Shamrock Colony: 19/100 · Watertown: 100/100
Watertown is 81 points higher.
Shamrock Colony: Hail risk derived from NOAA SPC historical reports.
Watertown: Hail risk derived from NOAA SPC historical reports.
Storm surge
Shamrock Colony: Unavailable · Watertown: Unavailable
A score difference cannot be calculated without both sources.
Shamrock Colony: Storm surge model is not available for this location yet.
Watertown: Storm surge model is not available for this location yet.
Wildfire
Shamrock Colony: 30/100 · Watertown: 38/100
Watertown is 8 points higher.
Shamrock Colony: Wildfire exposure derived from ingested fire potential tiles.
Watertown: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Shamrock Colony: 17/100 · Watertown: 21/100
Watertown is 4 points higher.
Shamrock Colony: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Watertown: Air quality signal derived from the latest EPA AirNow combined AQI grid.