City vs city
Portola Valley vs Riverside, CA
Riverside currently scores 7 points higher overall than Portola Valley, with the largest gap in tornado.
Use this comparison for relocation decisions, insurance shopping, and hazard-prioritized mitigation planning.
Hazard breakdown
Overall
Portola Valley: 21/100 · Riverside: 28/100
Riverside is 7 points higher.
Flood
Portola Valley: 28/100 · Riverside: 33/100
Riverside is 5 points higher.
Wind
Portola Valley: 2/100 · Riverside: 5/100
Riverside is 3 points higher.
Lightning
Portola Valley: 0/100 · Riverside: 2/100
Riverside is 2 points higher.
Tornado
Portola Valley: 0/100 · Riverside: 8/100
Riverside is 8 points higher.
Hail
Portola Valley: 1/100 · Riverside: 0/100
Portola Valley is 1 points higher.
Storm surge
Portola Valley: 0/100 · Riverside: 0/100
No gap.