City vs city
Lake Norden vs Rapid City, SD
Rapid City currently scores 6 points higher overall than Lake Norden, with the largest gap in lightning.
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
Lake Norden: 37/100 · Rapid City: 43/100
Rapid City is 6 points higher.
Flood
Lake Norden: 28/100 · Rapid City: 53/100
Rapid City is 25 points higher.
Lake Norden: FEMA NFHL flood zones: 5 features intersect this tile.
Rapid City: FEMA NFHL flood zones: 8 features intersect this tile.
Wind
Lake Norden: 20/100 · Rapid City: 20/100
No gap.
Lake Norden: Wind exposure derived from ingested design wind / climatology tiles.
Rapid City: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Lake Norden: 54/100 · Rapid City: 23/100
Lake Norden is 31 points higher.
Lake Norden: Lightning exposure derived from ingested climatology tiles.
Rapid City: Lightning exposure derived from ingested climatology tiles.
Tornado
Lake Norden: 0/100 · Rapid City: 23/100
Rapid City is 23 points higher.
Lake Norden: Tornado risk derived from NOAA SPC historical reports.
Rapid City: Tornado risk derived from NOAA SPC historical reports.
Hail
Lake Norden: 69/100 · Rapid City: 100/100
Rapid City is 31 points higher.
Lake Norden: Hail risk derived from NOAA SPC historical reports.
Rapid City: Hail risk derived from NOAA SPC historical reports.
Storm surge
Lake Norden: Unavailable · Rapid City: Unavailable
A score difference cannot be calculated without both sources.
Lake Norden: Storm surge model is not available for this location yet.
Rapid City: Storm surge model is not available for this location yet.
Wildfire
Lake Norden: 27/100 · Rapid City: 57/100
Rapid City is 30 points higher.
Lake Norden: Wildfire exposure derived from ingested fire potential tiles.
Rapid City: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Lake Norden: 21/100 · Rapid City: 28/100
Rapid City is 7 points higher.
Lake Norden: 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.