City vs city
Castlewood vs Lake Norden, SD
Castlewood currently scores 7 points higher overall than Lake Norden, with the largest gap in flood.
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
Castlewood: 44/100 · Lake Norden: 37/100
Castlewood is 7 points higher.
Flood
Castlewood: 79/100 · Lake Norden: 28/100
Castlewood is 51 points higher.
Castlewood: FEMA NFHL flood zones: 12 features intersect this tile.
Lake Norden: FEMA NFHL flood zones: 5 features intersect this tile.
Wind
Castlewood: 20/100 · Lake Norden: 20/100
No gap.
Castlewood: Wind exposure derived from ingested design wind / climatology tiles.
Lake Norden: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Castlewood: 49/100 · Lake Norden: 54/100
Lake Norden is 5 points higher.
Castlewood: Lightning exposure derived from ingested climatology tiles.
Lake Norden: Lightning exposure derived from ingested climatology tiles.
Tornado
Castlewood: 31/100 · Lake Norden: 0/100
Castlewood is 31 points higher.
Castlewood: Tornado risk derived from NOAA SPC historical reports.
Lake Norden: Tornado risk derived from NOAA SPC historical reports.
Hail
Castlewood: 71/100 · Lake Norden: 69/100
Castlewood is 2 points higher.
Castlewood: Hail risk derived from NOAA SPC historical reports.
Lake Norden: Hail risk derived from NOAA SPC historical reports.
Storm surge
Castlewood: Unavailable · Lake Norden: Unavailable
A score difference cannot be calculated without both sources.
Castlewood: Storm surge model is not available for this location yet.
Lake Norden: Storm surge model is not available for this location yet.
Wildfire
Castlewood: 39/100 · Lake Norden: 27/100
Castlewood is 12 points higher.
Castlewood: Wildfire exposure derived from ingested fire potential tiles.
Lake Norden: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Castlewood: 21/100 · Lake Norden: 21/100
No gap.
Castlewood: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Lake Norden: Air quality signal derived from the latest EPA AirNow combined AQI grid.