City vs city
Vermillion vs Watertown, SD
Watertown currently scores 5 points higher overall than Vermillion, 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
Vermillion: 45/100 · Watertown: 50/100
Watertown is 5 points higher.
Flood
Vermillion: 56/100 · Watertown: 79/100
Watertown is 23 points higher.
Vermillion: FEMA NFHL flood zones: 12 features intersect this tile.
Watertown: FEMA NFHL flood zones: 8 features intersect this tile.
Wind
Vermillion: 20/100 · Watertown: 20/100
No gap.
Vermillion: Wind exposure derived from ingested design wind / climatology tiles.
Watertown: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Vermillion: 35/100 · Watertown: 42/100
Watertown is 7 points higher.
Vermillion: Lightning exposure derived from ingested climatology tiles.
Watertown: Lightning exposure derived from ingested climatology tiles.
Tornado
Vermillion: 35/100 · Watertown: 0/100
Vermillion is 35 points higher.
Vermillion: Tornado risk derived from NOAA SPC historical reports.
Watertown: Tornado risk derived from NOAA SPC historical reports.
Hail
Vermillion: 100/100 · Watertown: 100/100
No gap.
Vermillion: Hail risk derived from NOAA SPC historical reports.
Watertown: Hail risk derived from NOAA SPC historical reports.
Storm surge
Vermillion: Unavailable · Watertown: Unavailable
A score difference cannot be calculated without both sources.
Vermillion: Storm surge model is not available for this location yet.
Watertown: Storm surge model is not available for this location yet.
Wildfire
Vermillion: 47/100 · Watertown: 38/100
Vermillion is 9 points higher.
Vermillion: Wildfire exposure derived from ingested fire potential tiles.
Watertown: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Vermillion: 22/100 · Watertown: 21/100
Vermillion is 1 points higher.
Vermillion: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Watertown: Air quality signal derived from the latest EPA AirNow combined AQI grid.