City vs city
Spring Valley Colony vs Yankton, SD
Yankton currently scores 19 points higher overall than Spring Valley Colony, 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
Spring Valley Colony: 29/100 · Yankton: 48/100
Yankton is 19 points higher.
Flood
Spring Valley Colony: Unavailable · Yankton: 50/100
A score difference cannot be calculated without both sources.
Spring Valley Colony: Flood model is not available for this location yet.
Yankton: FEMA NFHL flood zones: 13 features intersect this tile.
Wind
Spring Valley Colony: 22/100 · Yankton: 21/100
Spring Valley Colony is 1 points higher.
Spring Valley Colony: Wind exposure derived from ingested design wind / climatology tiles.
Yankton: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Spring Valley Colony: 39/100 · Yankton: 32/100
Spring Valley Colony is 7 points higher.
Spring Valley Colony: Lightning exposure derived from ingested climatology tiles.
Yankton: Lightning exposure derived from ingested climatology tiles.
Tornado
Spring Valley Colony: 38/100 · Yankton: 31/100
Spring Valley Colony is 7 points higher.
Spring Valley Colony: Tornado risk derived from NOAA SPC historical reports.
Yankton: Tornado risk derived from NOAA SPC historical reports.
Hail
Spring Valley Colony: 42/100 · Yankton: 100/100
Yankton is 58 points higher.
Spring Valley Colony: Hail risk derived from NOAA SPC historical reports.
Yankton: Hail risk derived from NOAA SPC historical reports.
Storm surge
Spring Valley Colony: Unavailable · Yankton: Unavailable
A score difference cannot be calculated without both sources.
Spring Valley Colony: Storm surge model is not available for this location yet.
Yankton: Storm surge model is not available for this location yet.
Wildfire
Spring Valley Colony: 35/100 · Yankton: 54/100
Yankton is 19 points higher.
Spring Valley Colony: Wildfire exposure derived from ingested fire potential tiles.
Yankton: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Spring Valley Colony: Unavailable · Yankton: Unavailable
A score difference cannot be calculated without both sources.
Spring Valley Colony: Air quality model is not available for this location yet.
Yankton: Air quality model is not available for this location yet.