City vs city
Henderson vs Spring Valley, NV
Spring Valley currently scores 7 points higher overall than Henderson, 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
Henderson: 24/100 · Spring Valley: 31/100
Spring Valley is 7 points higher.
Flood
Henderson: 48/100 · Spring Valley: 59/100
Spring Valley is 11 points higher.
Henderson: FEMA NFHL flood zones: 3 features intersect this tile.
Spring Valley: FEMA NFHL flood zones: 3 features intersect this tile.
Wind
Henderson: 8/100 · Spring Valley: 8/100
No gap.
Henderson: Wind exposure derived from ingested design wind / climatology tiles.
Spring Valley: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Henderson: 13/100 · Spring Valley: 12/100
Henderson is 1 points higher.
Henderson: Lightning exposure derived from ingested climatology tiles.
Spring Valley: Lightning exposure derived from ingested climatology tiles.
Tornado
Henderson: 0/100 · Spring Valley: 0/100
No gap.
Henderson: Tornado risk derived from NOAA SPC historical reports.
Spring Valley: Tornado risk derived from NOAA SPC historical reports.
Hail
Henderson: 7/100 · Spring Valley: 16/100
Spring Valley is 9 points higher.
Henderson: Hail risk derived from NOAA SPC historical reports.
Spring Valley: Hail risk derived from NOAA SPC historical reports.
Storm surge
Henderson: Unavailable · Spring Valley: Unavailable
A score difference cannot be calculated without both sources.
Henderson: Storm surge model is not available for this location yet.
Spring Valley: Storm surge model is not available for this location yet.
Wildfire
Henderson: 41/100 · Spring Valley: 59/100
Spring Valley is 18 points higher.
Henderson: Wildfire exposure derived from ingested fire potential tiles.
Spring Valley: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Henderson: 25/100 · Spring Valley: 32/100
Spring Valley is 7 points higher.
Henderson: 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.