City vs city
Norfeld Colony vs Watertown, SD
Watertown currently scores 20 points higher overall than Norfeld 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
Norfeld Colony: 30/100 · Watertown: 50/100
Watertown is 20 points higher.
Flood
Norfeld Colony: 60/100 · Watertown: 79/100
Watertown is 19 points higher.
Norfeld Colony: FEMA NFHL flood zones: 6 features intersect this tile.
Watertown: FEMA NFHL flood zones: 8 features intersect this tile.
Wind
Norfeld Colony: 20/100 · Watertown: 20/100
No gap.
Norfeld Colony: Wind exposure derived from ingested design wind / climatology tiles.
Watertown: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Norfeld Colony: 57/100 · Watertown: 42/100
Norfeld Colony is 15 points higher.
Norfeld Colony: Lightning exposure derived from ingested climatology tiles.
Watertown: Lightning exposure derived from ingested climatology tiles.
Tornado
Norfeld Colony: 4/100 · Watertown: 0/100
Norfeld Colony is 4 points higher.
Norfeld Colony: Tornado risk derived from NOAA SPC historical reports.
Watertown: Tornado risk derived from NOAA SPC historical reports.
Hail
Norfeld Colony: 10/100 · Watertown: 100/100
Watertown is 90 points higher.
Norfeld Colony: Hail risk derived from NOAA SPC historical reports.
Watertown: Hail risk derived from NOAA SPC historical reports.
Storm surge
Norfeld Colony: Unavailable · Watertown: Unavailable
A score difference cannot be calculated without both sources.
Norfeld Colony: Storm surge model is not available for this location yet.
Watertown: Storm surge model is not available for this location yet.
Wildfire
Norfeld Colony: 39/100 · Watertown: 38/100
Norfeld Colony is 1 points higher.
Norfeld Colony: Wildfire exposure derived from ingested fire potential tiles.
Watertown: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Norfeld Colony: 19/100 · Watertown: 21/100
Watertown is 2 points higher.
Norfeld 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.