City vs city
Anderson vs Valley Springs, SD
Anderson currently scores 9 points higher overall than Valley Springs, 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
Anderson: 41/100 · Valley Springs: 32/100
Anderson is 9 points higher.
Flood
Anderson: 44/100 · Valley Springs: 25/100
Anderson is 19 points higher.
Anderson: FEMA NFHL flood zones: 6 features intersect this tile.
Valley Springs: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Anderson: 20/100 · Valley Springs: 20/100
No gap.
Anderson: Wind exposure derived from ingested design wind / climatology tiles.
Valley Springs: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Anderson: 46/100 · Valley Springs: 45/100
Anderson is 1 points higher.
Anderson: Lightning exposure derived from ingested climatology tiles.
Valley Springs: Lightning exposure derived from ingested climatology tiles.
Tornado
Anderson: 4/100 · Valley Springs: 12/100
Valley Springs is 8 points higher.
Anderson: Tornado risk derived from NOAA SPC historical reports.
Valley Springs: Tornado risk derived from NOAA SPC historical reports.
Hail
Anderson: 100/100 · Valley Springs: 51/100
Anderson is 49 points higher.
Anderson: Hail risk derived from NOAA SPC historical reports.
Valley Springs: Hail risk derived from NOAA SPC historical reports.
Storm surge
Anderson: Unavailable · Valley Springs: Unavailable
A score difference cannot be calculated without both sources.
Anderson: Storm surge model is not available for this location yet.
Valley Springs: Storm surge model is not available for this location yet.
Wildfire
Anderson: 52/100 · Valley Springs: 49/100
Anderson is 3 points higher.
Anderson: Wildfire exposure derived from ingested fire potential tiles.
Valley Springs: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Anderson: 21/100 · Valley Springs: 21/100
No gap.
Anderson: 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.