City vs city
Rapid City vs Shamrock Colony, SD
Rapid City currently scores 17 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
Rapid City: 43/100 · Shamrock Colony: 26/100
Rapid City is 17 points higher.
Flood
Rapid City: 53/100 · Shamrock Colony: 49/100
Rapid City is 4 points higher.
Rapid City: FEMA NFHL flood zones: 8 features intersect this tile.
Shamrock Colony: FEMA NFHL flood zones: 13 features intersect this tile.
Wind
Rapid City: 20/100 · Shamrock Colony: 21/100
Shamrock Colony is 1 points higher.
Rapid City: Wind exposure derived from ingested design wind / climatology tiles.
Shamrock Colony: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Rapid City: 23/100 · Shamrock Colony: 45/100
Shamrock Colony is 22 points higher.
Rapid City: Lightning exposure derived from ingested climatology tiles.
Shamrock Colony: Lightning exposure derived from ingested climatology tiles.
Tornado
Rapid City: 23/100 · Shamrock Colony: 4/100
Rapid City is 19 points higher.
Rapid City: Tornado risk derived from NOAA SPC historical reports.
Shamrock Colony: Tornado risk derived from NOAA SPC historical reports.
Hail
Rapid City: 100/100 · Shamrock Colony: 19/100
Rapid City is 81 points higher.
Rapid City: Hail risk derived from NOAA SPC historical reports.
Shamrock Colony: Hail risk derived from NOAA SPC historical reports.
Storm surge
Rapid City: Unavailable · Shamrock Colony: Unavailable
A score difference cannot be calculated without both sources.
Rapid City: Storm surge model is not available for this location yet.
Shamrock Colony: Storm surge model is not available for this location yet.
Wildfire
Rapid City: 57/100 · Shamrock Colony: 30/100
Rapid City is 27 points higher.
Rapid City: Wildfire exposure derived from ingested fire potential tiles.
Shamrock Colony: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Rapid City: 28/100 · Shamrock Colony: 17/100
Rapid City is 11 points higher.
Rapid City: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Shamrock Colony: Air quality signal derived from the latest EPA AirNow combined AQI grid.