City vs city
Herreid vs Yankton, SD
Yankton currently scores 15 points higher overall than Herreid, 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
Herreid: 33/100 · Yankton: 48/100
Yankton is 15 points higher.
Flood
Herreid: Unavailable · Yankton: 50/100
A score difference cannot be calculated without both sources.
Herreid: Flood model is not available for this location yet.
Yankton: FEMA NFHL flood zones: 13 features intersect this tile.
Wind
Herreid: 20/100 · Yankton: 21/100
Yankton is 1 points higher.
Herreid: Wind exposure derived from ingested design wind / climatology tiles.
Yankton: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Herreid: 32/100 · Yankton: 32/100
No gap.
Herreid: Lightning exposure derived from ingested climatology tiles.
Yankton: Lightning exposure derived from ingested climatology tiles.
Tornado
Herreid: 0/100 · Yankton: 31/100
Yankton is 31 points higher.
Herreid: Tornado risk derived from NOAA SPC historical reports.
Yankton: Tornado risk derived from NOAA SPC historical reports.
Hail
Herreid: 88/100 · Yankton: 100/100
Yankton is 12 points higher.
Herreid: Hail risk derived from NOAA SPC historical reports.
Yankton: Hail risk derived from NOAA SPC historical reports.
Storm surge
Herreid: Unavailable · Yankton: Unavailable
A score difference cannot be calculated without both sources.
Herreid: Storm surge model is not available for this location yet.
Yankton: Storm surge model is not available for this location yet.
Wildfire
Herreid: 43/100 · Yankton: 54/100
Yankton is 11 points higher.
Herreid: Wildfire exposure derived from ingested fire potential tiles.
Yankton: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Herreid: 14/100 · Yankton: Unavailable
A score difference cannot be calculated without both sources.
Herreid: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Yankton: Air quality model is not available for this location yet.