City vs city
Platte vs Rapid City, SD
Platte and Rapid City are tied on overall score, with the biggest factor difference in flood.
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
Platte: 43/100 · Rapid City: 43/100
No gap.
Flood
Platte: 41/100 · Rapid City: 53/100
Rapid City is 12 points higher.
Platte: FEMA NFHL flood zones: 3 features intersect this tile.
Rapid City: FEMA NFHL flood zones: 8 features intersect this tile.
Wind
Platte: 21/100 · Rapid City: 20/100
Platte is 1 points higher.
Platte: Wind exposure derived from ingested design wind / climatology tiles.
Rapid City: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Platte: 35/100 · Rapid City: 23/100
Platte is 12 points higher.
Platte: Lightning exposure derived from ingested climatology tiles.
Rapid City: Lightning exposure derived from ingested climatology tiles.
Tornado
Platte: 15/100 · Rapid City: 23/100
Rapid City is 8 points higher.
Platte: Tornado risk derived from NOAA SPC historical reports.
Rapid City: Tornado risk derived from NOAA SPC historical reports.
Hail
Platte: 100/100 · Rapid City: 100/100
No gap.
Platte: Hail risk derived from NOAA SPC historical reports.
Rapid City: Hail risk derived from NOAA SPC historical reports.
Storm surge
Platte: Unavailable · Rapid City: Unavailable
A score difference cannot be calculated without both sources.
Platte: Storm surge model is not available for this location yet.
Rapid City: Storm surge model is not available for this location yet.
Wildfire
Platte: 46/100 · Rapid City: 57/100
Rapid City is 11 points higher.
Platte: Wildfire exposure derived from ingested fire potential tiles.
Rapid City: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Platte: Unavailable · Rapid City: 28/100
A score difference cannot be calculated without both sources.
Platte: Air quality model is not available for this location yet.
Rapid City: Air quality signal derived from the latest EPA AirNow combined AQI grid.