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GNFAC Avalanche Forecast for Thu Jan 12, 2012
Snowpack and Avalanche Discussion
The Bridger, Madison and Gallatin Ranges, the Lionhead area near West Yellowstone, and the mountains around Cooke City:
A layer of surface hoar is buried on Mt. Ellis and breaking in our stability tests. This layer is not found everywhere. Digging is the only way to find it. Photo: GNFAC
GNFAC Avalanche Advisory for Wed Jan 11, 2012
Snowpack and Avalanche Discussion
The Bridger Range and Lionhead area near West Yellowstone:
These surface hoar crystals formed from West Yellowstone through the southern Madison Range. They are now buried under yesterdays snow. Photo: J. Watt
Another photo of the slope triggered on Saturday by snowmobilers. Not very big, but the debris funneled into a terrain trap. Photo: J. Watt