City vs city
Brookings vs Spearfish, SD
Brookings currently scores 2 points higher overall than Spearfish, with the largest gap 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
Brookings: 49/100 · Spearfish: 47/100
Brookings is 2 points higher.
Flood
Brookings: 85/100 · Spearfish: 47/100
Brookings is 38 points higher.
Brookings: FEMA NFHL flood zones: 15 features intersect this tile.
Spearfish: FEMA NFHL flood zones: 3 features intersect this tile.
Wind
Brookings: 20/100 · Spearfish: 19/100
Brookings is 1 points higher.
Brookings: Wind exposure derived from ingested design wind / climatology tiles.
Spearfish: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Brookings: 66/100 · Spearfish: 28/100
Brookings is 38 points higher.
Brookings: Lightning exposure derived from ingested climatology tiles.
Spearfish: Lightning exposure derived from ingested climatology tiles.
Tornado
Brookings: 19/100 · Spearfish: 0/100
Brookings is 19 points higher.
Brookings: Tornado risk derived from NOAA SPC historical reports.
Spearfish: Tornado risk derived from NOAA SPC historical reports.
Hail
Brookings: 91/100 · Spearfish: 100/100
Spearfish is 9 points higher.
Brookings: Hail risk derived from NOAA SPC historical reports.
Spearfish: Hail risk derived from NOAA SPC historical reports.
Storm surge
Brookings: Unavailable · Spearfish: Unavailable
A score difference cannot be calculated without both sources.
Brookings: Storm surge model is not available for this location yet.
Spearfish: Storm surge model is not available for this location yet.
Wildfire
Brookings: 45/100 · Spearfish: 59/100
Spearfish is 14 points higher.
Brookings: Wildfire exposure derived from ingested fire potential tiles.
Spearfish: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Brookings: 19/100 · Spearfish: 28/100
Spearfish is 9 points higher.
Brookings: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Spearfish: Air quality signal derived from the latest EPA AirNow combined AQI grid.