City vs city
Mount Vernon vs Yankton, SD
Yankton currently scores 6 points higher overall than Mount Vernon, 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
Mount Vernon: 42/100 · Yankton: 48/100
Yankton is 6 points higher.
Flood
Mount Vernon: 41/100 · Yankton: 50/100
Yankton is 9 points higher.
Mount Vernon: FEMA NFHL flood zones: 2 features intersect this tile.
Yankton: FEMA NFHL flood zones: 13 features intersect this tile.
Wind
Mount Vernon: 21/100 · Yankton: 21/100
No gap.
Mount Vernon: Wind exposure derived from ingested design wind / climatology tiles.
Yankton: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Mount Vernon: 49/100 · Yankton: 32/100
Mount Vernon is 17 points higher.
Mount Vernon: Lightning exposure derived from ingested climatology tiles.
Yankton: Lightning exposure derived from ingested climatology tiles.
Tornado
Mount Vernon: 23/100 · Yankton: 31/100
Yankton is 8 points higher.
Mount Vernon: Tornado risk derived from NOAA SPC historical reports.
Yankton: Tornado risk derived from NOAA SPC historical reports.
Hail
Mount Vernon: 71/100 · Yankton: 100/100
Yankton is 29 points higher.
Mount Vernon: Hail risk derived from NOAA SPC historical reports.
Yankton: Hail risk derived from NOAA SPC historical reports.
Storm surge
Mount Vernon: Unavailable · Yankton: Unavailable
A score difference cannot be calculated without both sources.
Mount Vernon: Storm surge model is not available for this location yet.
Yankton: Storm surge model is not available for this location yet.
Wildfire
Mount Vernon: 47/100 · Yankton: 54/100
Yankton is 7 points higher.
Mount Vernon: Wildfire exposure derived from ingested fire potential tiles.
Yankton: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Mount Vernon: Unavailable · Yankton: Unavailable
A score difference cannot be calculated without both sources.
Mount Vernon: Air quality model is not available for this location yet.
Yankton: Air quality model is not available for this location yet.