City vs city
Fort Pierre vs Oahe Acres, SD
Fort Pierre currently scores 5 points higher overall than Oahe Acres, with the largest gap in tornado.
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
Fort Pierre: 49/100 · Oahe Acres: 44/100
Fort Pierre is 5 points higher.
Flood
Fort Pierre: 70/100 · Oahe Acres: 50/100
Fort Pierre is 20 points higher.
Fort Pierre: FEMA NFHL flood zones: 9 features intersect this tile.
Oahe Acres: FEMA NFHL flood zones: 5 features intersect this tile.
Wind
Fort Pierre: 21/100 · Oahe Acres: 21/100
No gap.
Fort Pierre: Wind exposure derived from ingested design wind / climatology tiles.
Oahe Acres: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Fort Pierre: 22/100 · Oahe Acres: 24/100
Oahe Acres is 2 points higher.
Fort Pierre: Lightning exposure derived from ingested climatology tiles.
Oahe Acres: Lightning exposure derived from ingested climatology tiles.
Tornado
Fort Pierre: 58/100 · Oahe Acres: 0/100
Fort Pierre is 58 points higher.
Fort Pierre: Tornado risk derived from NOAA SPC historical reports.
Oahe Acres: Tornado risk derived from NOAA SPC historical reports.
Hail
Fort Pierre: 100/100 · Oahe Acres: 100/100
No gap.
Fort Pierre: Hail risk derived from NOAA SPC historical reports.
Oahe Acres: Hail risk derived from NOAA SPC historical reports.
Storm surge
Fort Pierre: Unavailable · Oahe Acres: Unavailable
A score difference cannot be calculated without both sources.
Fort Pierre: Storm surge model is not available for this location yet.
Oahe Acres: Storm surge model is not available for this location yet.
Wildfire
Fort Pierre: 47/100 · Oahe Acres: 43/100
Fort Pierre is 4 points higher.
Fort Pierre: Wildfire exposure derived from ingested fire potential tiles.
Oahe Acres: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Fort Pierre: 26/100 · Oahe Acres: 26/100
No gap.
Fort Pierre: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Oahe Acres: Air quality signal derived from the latest EPA AirNow combined AQI grid.