City vs city
Box Elder vs Green Valley, SD
Box Elder currently scores 2 points higher overall than Green Valley, with the largest gap in tornado.
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
Box Elder: 45/100 · Green Valley: 43/100
Box Elder is 2 points higher.
Flood
Box Elder: 47/100 · Green Valley: 53/100
Green Valley is 6 points higher.
Box Elder: FEMA NFHL flood zones: 10 features intersect this tile.
Green Valley: FEMA NFHL flood zones: 8 features intersect this tile.
Wind
Box Elder: 20/100 · Green Valley: 20/100
No gap.
Box Elder: Wind exposure derived from ingested design wind / climatology tiles.
Green Valley: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Box Elder: 21/100 · Green Valley: 23/100
Green Valley is 2 points higher.
Box Elder: Lightning exposure derived from ingested climatology tiles.
Green Valley: Lightning exposure derived from ingested climatology tiles.
Tornado
Box Elder: 46/100 · Green Valley: 23/100
Box Elder is 23 points higher.
Box Elder: Tornado risk derived from NOAA SPC historical reports.
Green Valley: Tornado risk derived from NOAA SPC historical reports.
Hail
Box Elder: 100/100 · Green Valley: 100/100
No gap.
Box Elder: Hail risk derived from NOAA SPC historical reports.
Green Valley: Hail risk derived from NOAA SPC historical reports.
Storm surge
Box Elder: Unavailable · Green Valley: Unavailable
A score difference cannot be calculated without both sources.
Box Elder: Storm surge model is not available for this location yet.
Green Valley: Storm surge model is not available for this location yet.
Wildfire
Box Elder: 57/100 · Green Valley: 57/100
No gap.
Box Elder: Wildfire exposure derived from ingested fire potential tiles.
Green Valley: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Box Elder: 27/100 · Green Valley: 28/100
Green Valley is 1 points higher.
Box Elder: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Green Valley: Air quality signal derived from the latest EPA AirNow combined AQI grid.