City vs city
Norfeld Colony vs Rapid City, SD
Rapid City currently scores 13 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 · Rapid City: 43/100
Rapid City is 13 points higher.
Flood
Norfeld Colony: 60/100 · Rapid City: 53/100
Norfeld Colony is 7 points higher.
Norfeld Colony: FEMA NFHL flood zones: 6 features intersect this tile.
Rapid City: FEMA NFHL flood zones: 8 features intersect this tile.
Wind
Norfeld Colony: 20/100 · Rapid City: 20/100
No gap.
Norfeld Colony: Wind exposure derived from ingested design wind / climatology tiles.
Rapid City: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Norfeld Colony: 57/100 · Rapid City: 23/100
Norfeld Colony is 34 points higher.
Norfeld Colony: Lightning exposure derived from ingested climatology tiles.
Rapid City: Lightning exposure derived from ingested climatology tiles.
Tornado
Norfeld Colony: 4/100 · Rapid City: 23/100
Rapid City is 19 points higher.
Norfeld Colony: Tornado risk derived from NOAA SPC historical reports.
Rapid City: Tornado risk derived from NOAA SPC historical reports.
Hail
Norfeld Colony: 10/100 · Rapid City: 100/100
Rapid City is 90 points higher.
Norfeld Colony: Hail risk derived from NOAA SPC historical reports.
Rapid City: Hail risk derived from NOAA SPC historical reports.
Storm surge
Norfeld Colony: Unavailable · Rapid City: Unavailable
A score difference cannot be calculated without both sources.
Norfeld Colony: Storm surge model is not available for this location yet.
Rapid City: Storm surge model is not available for this location yet.
Wildfire
Norfeld Colony: 39/100 · Rapid City: 57/100
Rapid City is 18 points higher.
Norfeld Colony: Wildfire exposure derived from ingested fire potential tiles.
Rapid City: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Norfeld Colony: 19/100 · Rapid City: 28/100
Rapid City is 9 points higher.
Norfeld Colony: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Rapid City: Air quality signal derived from the latest EPA AirNow combined AQI grid.