Northern Gallatin

From obs. "Was out alpine climbing today and observed the north face of Blackmore had slid already."

Was out alpine climbing today and observed the north face of Blackmore had slid already.

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From email: “These pics are from last June 10-11 (2022), after the pass reopened on Friday. I was skiing the Gardner headwall at 5:30, solo, when this monster released. Yah. The initial cornice collapse triggered and entrained a secondary slab of varying thickness whose crown is seen in one of the photos.”

From obs 5/7/23: "Natural R3-4, D4 ripped out a large chunk of the south face of Wilson during the last warm period I would assume. Debris everywhere and one large boat-sized pile even scoured a path further down than the rest of the debris. Looked to be a mix of wet loose and wet slab release from high up. Alpha angle at the bottom of the debris was 25 degrees" Photo: C. Ellingson

Give Big Gallatin Valley is May 4-5. The Friends of the Avalanche Center are participating again this year and thank you for your support. Between 6pm on May 4 through 6pm on May 5 you can support your favorite local non-profits. Donate Here.

From Big Sky Ski Patrol: "Temps remained a little cooler than yesterday and generally topped out in the mid 40’s F. That didn’t stop the free water from moving
and continuing to destabilize the snowpack, primarily on solar aspects below 10,000’. Near full depth to full depth wet loose avalanches continued to naturally release in what was left of the A-Z’s as well as LRT which had not seen any activity yesterday." Photo: BSSP