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From obs: "2/17 Immediately noticed signs of wind loading and wind slabs on NE-E aspects once in the basin. New cornices have formed in the last couple days along the North ridge to the summit. Cornice collapse on the summit triggered a small wind slab on an isolated slope." Photo: R. Rintala
Location
Mt Blackmore
Snow Observation Source
Avalanche Details: Wind slabs, cornice collapses on Mt. Blackmore
Northern Gallatin, 2025-02-18