City vs city
Rowena vs Valley Springs, SD
Rowena currently scores 5 points higher overall than Valley Springs, 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
Rowena: 37/100 · Valley Springs: 32/100
Rowena is 5 points higher.
Flood
Rowena: 56/100 · Valley Springs: 25/100
Rowena is 31 points higher.
Rowena: FEMA NFHL flood zones: 9 features intersect this tile.
Valley Springs: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Rowena: 20/100 · Valley Springs: 20/100
No gap.
Rowena: Wind exposure derived from ingested design wind / climatology tiles.
Valley Springs: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Rowena: 45/100 · Valley Springs: 45/100
No gap.
Rowena: Lightning exposure derived from ingested climatology tiles.
Valley Springs: Lightning exposure derived from ingested climatology tiles.
Tornado
Rowena: 8/100 · Valley Springs: 12/100
Valley Springs is 4 points higher.
Rowena: Tornado risk derived from NOAA SPC historical reports.
Valley Springs: Tornado risk derived from NOAA SPC historical reports.
Hail
Rowena: 58/100 · Valley Springs: 51/100
Rowena is 7 points higher.
Rowena: Hail risk derived from NOAA SPC historical reports.
Valley Springs: Hail risk derived from NOAA SPC historical reports.
Storm surge
Rowena: Unavailable · Valley Springs: Unavailable
A score difference cannot be calculated without both sources.
Rowena: Storm surge model is not available for this location yet.
Valley Springs: Storm surge model is not available for this location yet.
Wildfire
Rowena: 51/100 · Valley Springs: 49/100
Rowena is 2 points higher.
Rowena: Wildfire exposure derived from ingested fire potential tiles.
Valley Springs: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Rowena: 21/100 · Valley Springs: 21/100
No gap.
Rowena: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Valley Springs: Air quality signal derived from the latest EPA AirNow combined AQI grid.