City vs city
Irene vs Rapid City, SD
Rapid City currently scores 7 points higher overall than Irene, 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
Irene: 36/100 · Rapid City: 43/100
Rapid City is 7 points higher.
Flood
Irene: 44/100 · Rapid City: 53/100
Rapid City is 9 points higher.
Irene: FEMA NFHL flood zones: 8 features intersect this tile.
Rapid City: FEMA NFHL flood zones: 8 features intersect this tile.
Wind
Irene: 20/100 · Rapid City: 20/100
No gap.
Irene: Wind exposure derived from ingested design wind / climatology tiles.
Rapid City: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Irene: 35/100 · Rapid City: 23/100
Irene is 12 points higher.
Irene: Lightning exposure derived from ingested climatology tiles.
Rapid City: Lightning exposure derived from ingested climatology tiles.
Tornado
Irene: 23/100 · Rapid City: 23/100
No gap.
Irene: Tornado risk derived from NOAA SPC historical reports.
Rapid City: Tornado risk derived from NOAA SPC historical reports.
Hail
Irene: 58/100 · Rapid City: 100/100
Rapid City is 42 points higher.
Irene: Hail risk derived from NOAA SPC historical reports.
Rapid City: Hail risk derived from NOAA SPC historical reports.
Storm surge
Irene: Unavailable · Rapid City: Unavailable
A score difference cannot be calculated without both sources.
Irene: Storm surge model is not available for this location yet.
Rapid City: Storm surge model is not available for this location yet.
Wildfire
Irene: 47/100 · Rapid City: 57/100
Rapid City is 10 points higher.
Irene: Wildfire exposure derived from ingested fire potential tiles.
Rapid City: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Irene: 22/100 · Rapid City: 28/100
Rapid City is 6 points higher.
Irene: 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.