City vs city
Napa vs Ukiah, CA
Napa currently scores 8 points higher overall than Ukiah, 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 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
Napa: 29/100 · Ukiah: 21/100
Napa is 8 points higher.
Flood
Napa: 43/100 · Ukiah: 31/100
Napa is 12 points higher.
Napa: FEMA NFHL flood zones: 13 features intersect this tile.
Ukiah: FEMA NFHL flood zones: 8 features intersect this tile.
Wind
Napa: 2/100 · Ukiah: 2/100
No gap.
Napa: Wind exposure derived from ingested design wind / climatology tiles.
Ukiah: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Napa: 0/100 · Ukiah: 1/100
Ukiah is 1 points higher.
Napa: Lightning exposure derived from ingested climatology tiles.
Ukiah: Lightning exposure derived from ingested climatology tiles.
Tornado
Napa: 0/100 · Ukiah: 4/100
Ukiah is 4 points higher.
Napa: Tornado risk derived from NOAA SPC historical reports.
Ukiah: Tornado risk derived from NOAA SPC historical reports.
Hail
Napa: 3/100 · Ukiah: 3/100
No gap.
Napa: Hail risk derived from NOAA SPC historical reports.
Ukiah: Hail risk derived from NOAA SPC historical reports.
Storm surge
Napa: Unavailable · Ukiah: Unavailable
A score difference cannot be calculated without both sources.
Napa: Storm surge model is not available for this location yet.
Ukiah: Storm surge model is not available for this location yet.
Wildfire
Napa: 71/100 · Ukiah: 80/100
Ukiah is 9 points higher.
Napa: Wildfire exposure derived from ingested fire potential tiles.
Ukiah: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Napa: 26/100 · Ukiah: 28/100
Ukiah is 2 points higher.
Napa: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Ukiah: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.