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City vs city
Union vs Portsmouth, NH
Portsmouth currently scores 12 points higher overall than Union, with the largest gap in storm surge.
Use this comparison for relocation decisions, insurance shopping, and hazard-prioritized mitigation planning.
Hazard breakdown
Overall
Union: 29/100 · Portsmouth: 41/100
Portsmouth is 12 points higher.
Flood
Union: 59/100 · Portsmouth: 73/100
Portsmouth is 14 points higher.
Wind
Union: 20/100 · Portsmouth: 23/100
Portsmouth is 3 points higher.
Lightning
Union: 10/100 · Portsmouth: 6/100
Union is 4 points higher.
Tornado
Union: 0/100 · Portsmouth: 0/100
No gap.
Hail
Union: 11/100 · Portsmouth: 22/100
Portsmouth is 11 points higher.
Storm surge
Union: 0/100 · Portsmouth: 98/100
Portsmouth is 98 points higher.
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