City vs city
Mitchell vs Spearfish, SD
Mitchell currently scores 7 points higher overall than Spearfish, 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
Mitchell: 54/100 · Spearfish: 47/100
Mitchell is 7 points higher.
Flood
Mitchell: 68/100 · Spearfish: 47/100
Mitchell is 21 points higher.
Mitchell: FEMA NFHL flood zones: 12 features intersect this tile.
Spearfish: FEMA NFHL flood zones: 3 features intersect this tile.
Wind
Mitchell: 21/100 · Spearfish: 19/100
Mitchell is 2 points higher.
Mitchell: Wind exposure derived from ingested design wind / climatology tiles.
Spearfish: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Mitchell: 52/100 · Spearfish: 28/100
Mitchell is 24 points higher.
Mitchell: Lightning exposure derived from ingested climatology tiles.
Spearfish: Lightning exposure derived from ingested climatology tiles.
Tornado
Mitchell: 38/100 · Spearfish: 0/100
Mitchell is 38 points higher.
Mitchell: Tornado risk derived from NOAA SPC historical reports.
Spearfish: Tornado risk derived from NOAA SPC historical reports.
Hail
Mitchell: 100/100 · Spearfish: 100/100
No gap.
Mitchell: Hail risk derived from NOAA SPC historical reports.
Spearfish: Hail risk derived from NOAA SPC historical reports.
Storm surge
Mitchell: Unavailable · Spearfish: Unavailable
A score difference cannot be calculated without both sources.
Mitchell: Storm surge model is not available for this location yet.
Spearfish: Storm surge model is not available for this location yet.
Wildfire
Mitchell: 43/100 · Spearfish: 59/100
Spearfish is 16 points higher.
Mitchell: Wildfire exposure derived from ingested fire potential tiles.
Spearfish: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Mitchell: Unavailable · Spearfish: 28/100
A score difference cannot be calculated without both sources.
Mitchell: Air quality model is not available for this location yet.
Spearfish: Air quality signal derived from the latest EPA AirNow combined AQI grid.