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City vs city
Union vs Charleston, SC
Charleston currently scores 21 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: 38/100 · Charleston: 59/100
Charleston is 21 points higher.
Flood
Union: 28/100 · Charleston: 78/100
Charleston is 50 points higher.
Wind
Union: 18/100 · Charleston: 51/100
Charleston is 33 points higher.
Lightning
Union: 48/100 · Charleston: 49/100
Charleston is 1 points higher.
Tornado
Union: 8/100 · Charleston: 12/100
Charleston is 4 points higher.
Hail
Union: 100/100 · Charleston: 100/100
No gap.
Storm surge
Union: 0/100 · Charleston: 99/100
Charleston is 99 points higher.