City vs city
Rolland Colony vs Watertown, SD
Watertown currently scores 17 points higher overall than Rolland 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
Rolland Colony: 33/100 · Watertown: 50/100
Watertown is 17 points higher.
Flood
Rolland Colony: 70/100 · Watertown: 79/100
Watertown is 9 points higher.
Rolland Colony: FEMA NFHL flood zones: 12 features intersect this tile.
Watertown: FEMA NFHL flood zones: 8 features intersect this tile.
Wind
Rolland Colony: 20/100 · Watertown: 20/100
No gap.
Rolland Colony: Wind exposure derived from ingested design wind / climatology tiles.
Watertown: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Rolland Colony: 61/100 · Watertown: 42/100
Rolland Colony is 19 points higher.
Rolland Colony: Lightning exposure derived from ingested climatology tiles.
Watertown: Lightning exposure derived from ingested climatology tiles.
Tornado
Rolland Colony: 4/100 · Watertown: 0/100
Rolland Colony is 4 points higher.
Rolland Colony: Tornado risk derived from NOAA SPC historical reports.
Watertown: Tornado risk derived from NOAA SPC historical reports.
Hail
Rolland Colony: 17/100 · Watertown: 100/100
Watertown is 83 points higher.
Rolland Colony: Hail risk derived from NOAA SPC historical reports.
Watertown: Hail risk derived from NOAA SPC historical reports.
Storm surge
Rolland Colony: Unavailable · Watertown: Unavailable
A score difference cannot be calculated without both sources.
Rolland Colony: Storm surge model is not available for this location yet.
Watertown: Storm surge model is not available for this location yet.
Wildfire
Rolland Colony: 42/100 · Watertown: 38/100
Rolland Colony is 4 points higher.
Rolland Colony: Wildfire exposure derived from ingested fire potential tiles.
Watertown: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Rolland Colony: 19/100 · Watertown: 21/100
Watertown is 2 points higher.
Rolland Colony: 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.