City vs city
Lower Brule vs Rapid City, SD
Rapid City currently scores 15 points higher overall than Lower Brule, 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
Lower Brule: 28/100 · Rapid City: 43/100
Rapid City is 15 points higher.
Flood
Lower Brule: Unavailable · Rapid City: 53/100
A score difference cannot be calculated without both sources.
Lower Brule: Flood model is not available for this location yet.
Rapid City: FEMA NFHL flood zones: 8 features intersect this tile.
Wind
Lower Brule: 21/100 · Rapid City: 20/100
Lower Brule is 1 points higher.
Lower Brule: Wind exposure derived from ingested design wind / climatology tiles.
Rapid City: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Lower Brule: 26/100 · Rapid City: 23/100
Lower Brule is 3 points higher.
Lower Brule: Lightning exposure derived from ingested climatology tiles.
Rapid City: Lightning exposure derived from ingested climatology tiles.
Tornado
Lower Brule: 27/100 · Rapid City: 23/100
Lower Brule is 4 points higher.
Lower Brule: Tornado risk derived from NOAA SPC historical reports.
Rapid City: Tornado risk derived from NOAA SPC historical reports.
Hail
Lower Brule: 38/100 · Rapid City: 100/100
Rapid City is 62 points higher.
Lower Brule: Hail risk derived from NOAA SPC historical reports.
Rapid City: Hail risk derived from NOAA SPC historical reports.
Storm surge
Lower Brule: Unavailable · Rapid City: Unavailable
A score difference cannot be calculated without both sources.
Lower Brule: Storm surge model is not available for this location yet.
Rapid City: Storm surge model is not available for this location yet.
Wildfire
Lower Brule: 55/100 · Rapid City: 57/100
Rapid City is 2 points higher.
Lower Brule: Wildfire exposure derived from ingested fire potential tiles.
Rapid City: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Lower Brule: 26/100 · Rapid City: 28/100
Rapid City is 2 points higher.
Lower Brule: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Rapid City: Air quality signal derived from the latest EPA AirNow combined AQI grid.