GNFAC Avalanche Advisory for Wed Jan 19, 2011
The mountains around Cooke City and the Washburn Range:
GNFAC Avalanche Forecast for Tue Jan 18, 2011
The mountains around Cooke City and the Washburn Range:
Fresh slab avalanches on Republic Peak outside Cooke City. This was on a northeasterly aspect, estimated to be about 100' wide, 3-6' deep, running about 1000' vertical. Photo: Beau Fredlund
This slab was released from the south side of Mineral and could be seen from the road. The slope is steep, wind-loaded, rocky and thin. Photo: GNFAC
From Big Sky Snow Safety, "This slide was triggered with a 2lb shot, crown ranged from 2-5ft and was classified as a HS-AE-R3.5-D3.5-O. It failed on facets near the ground that have been getting weaker over time, the same results you were getting in Beehive just a couple of days ago. " Photo: C. Babineau-Z
GNFAC Avalanche Advisory for Mon Jan 17, 2011
The mountains around Cooke City and the Washburn Ragne:
GNFAC Avalanche Advisory for Sun Jan 16, 2011
The southern Madison and southern Gallatin Ranges, the Lionhead area near West Yellowstone, the mountains around Cooke City and the Washburn Range:
The southern Ranges have received a healthy shot of snow over the past few days. This latest round of snow has been accompanied by strong WSW winds, which have developed thick, cohesive slabs on leeward slopes. Yesterday, an observer in Cooke City noted deep snow on Henderson Bench as well as substantial wind loading in the Rasta Chutes new Lulu Pass.