City vs city
Norfeld Colony vs Sioux Falls, SD
Sioux Falls 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 · Sioux Falls: 50/100
Sioux Falls is 20 points higher.
Flood
Norfeld Colony: 60/100 · Sioux Falls: 52/100
Norfeld Colony is 8 points higher.
Norfeld Colony: FEMA NFHL flood zones: 6 features intersect this tile.
Sioux Falls: FEMA NFHL flood zones: 17 features intersect this tile.
Wind
Norfeld Colony: 20/100 · Sioux Falls: 20/100
No gap.
Norfeld Colony: Wind exposure derived from ingested design wind / climatology tiles.
Sioux Falls: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Norfeld Colony: 57/100 · Sioux Falls: 46/100
Norfeld Colony is 11 points higher.
Norfeld Colony: Lightning exposure derived from ingested climatology tiles.
Sioux Falls: Lightning exposure derived from ingested climatology tiles.
Tornado
Norfeld Colony: 4/100 · Sioux Falls: 58/100
Sioux Falls is 54 points higher.
Norfeld Colony: Tornado risk derived from NOAA SPC historical reports.
Sioux Falls: Tornado risk derived from NOAA SPC historical reports.
Hail
Norfeld Colony: 10/100 · Sioux Falls: 100/100
Sioux Falls is 90 points higher.
Norfeld Colony: Hail risk derived from NOAA SPC historical reports.
Sioux Falls: Hail risk derived from NOAA SPC historical reports.
Storm surge
Norfeld Colony: Unavailable · Sioux Falls: Unavailable
A score difference cannot be calculated without both sources.
Norfeld Colony: Storm surge model is not available for this location yet.
Sioux Falls: Storm surge model is not available for this location yet.
Wildfire
Norfeld Colony: 39/100 · Sioux Falls: 51/100
Sioux Falls is 12 points higher.
Norfeld Colony: Wildfire exposure derived from ingested fire potential tiles.
Sioux Falls: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Norfeld Colony: 19/100 · Sioux Falls: 21/100
Sioux Falls is 2 points higher.
Norfeld Colony: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Sioux Falls: Air quality signal derived from the latest EPA AirNow combined AQI grid.