City vs city
Green Valley vs Rapid City, SD
Green Valley 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
Green Valley: 43/100 · Rapid City: 43/100
No gap.
Flood
Green Valley: 53/100 · Rapid City: 53/100
No gap.
Green Valley: FEMA NFHL flood zones: 8 features intersect this tile.
Rapid City: FEMA NFHL flood zones: 8 features intersect this tile.
Wind
Green Valley: 20/100 · Rapid City: 20/100
No gap.
Green Valley: Wind exposure derived from ingested design wind / climatology tiles.
Rapid City: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Green Valley: 23/100 · Rapid City: 23/100
No gap.
Green Valley: Lightning exposure derived from ingested climatology tiles.
Rapid City: Lightning exposure derived from ingested climatology tiles.
Tornado
Green Valley: 23/100 · Rapid City: 23/100
No gap.
Green Valley: Tornado risk derived from NOAA SPC historical reports.
Rapid City: Tornado risk derived from NOAA SPC historical reports.
Hail
Green Valley: 100/100 · Rapid City: 100/100
No gap.
Green Valley: Hail risk derived from NOAA SPC historical reports.
Rapid City: Hail risk derived from NOAA SPC historical reports.
Storm surge
Green Valley: Unavailable · Rapid City: Unavailable
A score difference cannot be calculated without both sources.
Green Valley: Storm surge model is not available for this location yet.
Rapid City: Storm surge model is not available for this location yet.
Wildfire
Green Valley: 57/100 · Rapid City: 57/100
No gap.
Green Valley: Wildfire exposure derived from ingested fire potential tiles.
Rapid City: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Green Valley: 28/100 · Rapid City: 28/100
No gap.
Green Valley: 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.