City vs city
Monte Sereno vs Sunnyvale, CA
Monte Sereno and Sunnyvale are tied on overall score, with the biggest factor difference in tornado.
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
Monte Sereno: 29/100 · Sunnyvale: 29/100
No gap.
Flood
Monte Sereno: 38/100 · Sunnyvale: 52/100
Sunnyvale is 14 points higher.
Monte Sereno: FEMA NFHL flood zones: 10 features intersect this tile.
Sunnyvale: FEMA NFHL flood zones: 16 features intersect this tile.
Wind
Monte Sereno: 2/100 · Sunnyvale: 2/100
No gap.
Monte Sereno: Wind exposure derived from ingested design wind / climatology tiles.
Sunnyvale: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Monte Sereno: 0/100 · Sunnyvale: 0/100
No gap.
Monte Sereno: Lightning exposure derived from ingested climatology tiles.
Sunnyvale: Lightning exposure derived from ingested climatology tiles.
Tornado
Monte Sereno: 0/100 · Sunnyvale: 19/100
Sunnyvale is 19 points higher.
Monte Sereno: Tornado risk derived from NOAA SPC historical reports.
Sunnyvale: Tornado risk derived from NOAA SPC historical reports.
Hail
Monte Sereno: 11/100 · Sunnyvale: 11/100
No gap.
Monte Sereno: Hail risk derived from NOAA SPC historical reports.
Sunnyvale: Hail risk derived from NOAA SPC historical reports.
Storm surge
Monte Sereno: Unavailable · Sunnyvale: Unavailable
A score difference cannot be calculated without both sources.
Monte Sereno: Storm surge model is not available for this location yet.
Sunnyvale: Storm surge model is not available for this location yet.
Wildfire
Monte Sereno: 71/100 · Sunnyvale: 63/100
Monte Sereno is 8 points higher.
Monte Sereno: Wildfire exposure derived from ingested fire potential tiles.
Sunnyvale: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Monte Sereno: 25/100 · Sunnyvale: 26/100
Sunnyvale is 1 points higher.
Monte Sereno: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Sunnyvale: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.