City vs city
Cool vs Portola Valley, CA
Cool currently scores 15 points higher overall than Portola Valley, with the largest gap in ingested air quality.
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
Cool: 37/100 · Portola Valley: 22/100
Cool is 15 points higher.
Flood
Cool: 30/100 · Portola Valley: 28/100
Cool is 2 points higher.
Cool: FEMA NFHL flood zones: 4 features intersect this tile.
Portola Valley: FEMA NFHL flood zones: 2 features intersect this tile.
Wind
Cool: 4/100 · Portola Valley: 2/100
Cool is 2 points higher.
Cool: Wind exposure derived from ingested design wind / climatology tiles.
Portola Valley: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Cool: 2/100 · Portola Valley: 0/100
Cool is 2 points higher.
Cool: Lightning exposure derived from ingested climatology tiles.
Portola Valley: Lightning exposure derived from ingested climatology tiles.
Tornado
Cool: 0/100 · Portola Valley: 0/100
No gap.
Cool: Tornado risk derived from NOAA SPC historical reports.
Portola Valley: Tornado risk derived from NOAA SPC historical reports.
Hail
Cool: 1/100 · Portola Valley: 1/100
No gap.
Cool: Hail risk derived from NOAA SPC historical reports.
Portola Valley: Hail risk derived from NOAA SPC historical reports.
Storm surge
Cool: Unavailable · Portola Valley: Unavailable
A score difference cannot be calculated without both sources.
Cool: Storm surge model is not available for this location yet.
Portola Valley: Storm surge model is not available for this location yet.
Wildfire
Cool: 87/100 · Portola Valley: 59/100
Cool is 28 points higher.
Cool: Wildfire exposure derived from ingested fire potential tiles.
Portola Valley: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Cool: 95/100 · Portola Valley: 22/100
Cool is 73 points higher.
Cool: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Portola 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.