City vs city
Allen vs Rapid City, SD
Rapid City currently scores 8 points higher overall than Allen, 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
Allen: 35/100 · Rapid City: 43/100
Rapid City is 8 points higher.
Flood
Allen: Unavailable · Rapid City: 53/100
A score difference cannot be calculated without both sources.
Allen: Flood model is not available for this location yet.
Rapid City: FEMA NFHL flood zones: 8 features intersect this tile.
Wind
Allen: 20/100 · Rapid City: 20/100
No gap.
Allen: Wind exposure derived from ingested design wind / climatology tiles.
Rapid City: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Allen: 38/100 · Rapid City: 23/100
Allen is 15 points higher.
Allen: Lightning exposure derived from ingested climatology tiles.
Rapid City: Lightning exposure derived from ingested climatology tiles.
Tornado
Allen: 27/100 · Rapid City: 23/100
Allen is 4 points higher.
Allen: Tornado risk derived from NOAA SPC historical reports.
Rapid City: Tornado risk derived from NOAA SPC historical reports.
Hail
Allen: 63/100 · Rapid City: 100/100
Rapid City is 37 points higher.
Allen: Hail risk derived from NOAA SPC historical reports.
Rapid City: Hail risk derived from NOAA SPC historical reports.
Storm surge
Allen: Unavailable · Rapid City: Unavailable
A score difference cannot be calculated without both sources.
Allen: Storm surge model is not available for this location yet.
Rapid City: Storm surge model is not available for this location yet.
Wildfire
Allen: 63/100 · Rapid City: 57/100
Allen is 6 points higher.
Allen: Wildfire exposure derived from ingested fire potential tiles.
Rapid City: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Allen: 32/100 · Rapid City: 28/100
Allen is 4 points higher.
Allen: 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.