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City vs city
Portsmouth vs Denison, IA
Denison currently scores 16 points higher overall than Portsmouth, with the largest gap in hail.
Use this comparison for relocation decisions, insurance shopping, and hazard-prioritized mitigation planning.
Hazard breakdown
Overall
Portsmouth: 32/100 · Denison: 48/100
Denison is 16 points higher.
Flood
Portsmouth: 46/100 · Denison: 57/100
Denison is 11 points higher.
Wind
Portsmouth: 19/100 · Denison: 19/100
No gap.
Lightning
Portsmouth: 55/100 · Denison: 62/100
Denison is 7 points higher.
Tornado
Portsmouth: 8/100 · Denison: 50/100
Denison is 42 points higher.
Hail
Portsmouth: 39/100 · Denison: 100/100
Denison is 61 points higher.
Storm surge
Portsmouth: 0/100 · Denison: 0/100
No gap.