City vs city
San Francisco vs Santa Rosa Valley, CA
San Francisco currently scores 1 points higher overall than Santa Rosa Valley, 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 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
San Francisco: 25/100 · Santa Rosa Valley: 24/100
San Francisco is 1 points higher.
Flood
San Francisco: 26/100 · Santa Rosa Valley: 38/100
Santa Rosa Valley is 12 points higher.
San Francisco: FEMA NFHL flood zones: 4 features intersect this tile.
Santa Rosa Valley: FEMA NFHL flood zones: 10 features intersect this tile.
Wind
San Francisco: 2/100 · Santa Rosa Valley: 3/100
Santa Rosa Valley is 1 points higher.
San Francisco: Wind exposure derived from ingested design wind / climatology tiles.
Santa Rosa Valley: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
San Francisco: 0/100 · Santa Rosa Valley: 0/100
No gap.
San Francisco: Lightning exposure derived from ingested climatology tiles.
Santa Rosa Valley: Lightning exposure derived from ingested climatology tiles.
Tornado
San Francisco: 0/100 · Santa Rosa Valley: 0/100
No gap.
San Francisco: Tornado risk derived from NOAA SPC historical reports.
Santa Rosa Valley: Tornado risk derived from NOAA SPC historical reports.
Hail
San Francisco: 18/100 · Santa Rosa Valley: 0/100
San Francisco is 18 points higher.
San Francisco: Hail risk derived from NOAA SPC historical reports.
Santa Rosa Valley: Hail risk derived from NOAA SPC historical reports.
Storm surge
San Francisco: Unavailable · Santa Rosa Valley: Unavailable
A score difference cannot be calculated without both sources.
San Francisco: Storm surge model is not available for this location yet.
Santa Rosa Valley: Storm surge model is not available for this location yet.
Wildfire
San Francisco: 52/100 · Santa Rosa Valley: 42/100
San Francisco is 10 points higher.
San Francisco: Wildfire exposure derived from ingested fire potential tiles.
Santa Rosa Valley: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
San Francisco: 25/100 · Santa Rosa Valley: 13/100
San Francisco is 12 points higher.
San Francisco: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Santa Rosa 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.