City vs city
Mount Wilson vs Spring Valley, NV
Mount Wilson currently scores 7 points higher overall than Spring Valley, with the largest gap in wildfire.
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 uses an ingested EPA AirNow snapshot and may not reflect current conditions; 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
Mount Wilson: 38/100 · Spring Valley: 31/100
Mount Wilson is 7 points higher.
Flood
Mount Wilson: 42/100 · Spring Valley: 59/100
Spring Valley is 17 points higher.
Mount Wilson: FEMA NFHL flood zones: 1 features intersect this tile.
Spring Valley: FEMA NFHL flood zones: 3 features intersect this tile.
Wind
Mount Wilson: 9/100 · Spring Valley: 8/100
Mount Wilson is 1 points higher.
Mount Wilson: Wind exposure derived from ingested design wind / climatology tiles.
Spring Valley: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Mount Wilson: 14/100 · Spring Valley: 12/100
Mount Wilson is 2 points higher.
Mount Wilson: Lightning exposure derived from ingested climatology tiles.
Spring Valley: Lightning exposure derived from ingested climatology tiles.
Tornado
Mount Wilson: 0/100 · Spring Valley: 0/100
No gap.
Mount Wilson: Tornado risk derived from NOAA SPC historical reports.
Spring Valley: Tornado risk derived from NOAA SPC historical reports.
Hail
Mount Wilson: 0/100 · Spring Valley: 16/100
Spring Valley is 16 points higher.
Mount Wilson: Hail risk derived from NOAA SPC historical reports.
Spring Valley: Hail risk derived from NOAA SPC historical reports.
Storm surge
Mount Wilson: Unavailable · Spring Valley: Unavailable
A score difference cannot be calculated without both sources.
Mount Wilson: Storm surge model is not available for this location yet.
Spring Valley: Storm surge model is not available for this location yet.
Wildfire
Mount Wilson: 91/100 · Spring Valley: 59/100
Mount Wilson is 32 points higher.
Mount Wilson: Wildfire exposure derived from ingested fire potential tiles.
Spring Valley: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Mount Wilson: 32/100 · Spring Valley: 32/100
No gap.
Mount Wilson: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Spring Valley: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.