10-11
GNFAC Avalanche Forecast for Wed Mar 23, 2011
Snowpack and Avalanche Discussion
The Bridger, Madison and Gallatin Ranges, the Lionhead area near West Yellowstone, the mountains around Cooke City and the Washburn Range:
Forecast link: GNFAC Avalanche Forecast for Wed Mar 23, 2011
This snowpit was dug on an east facing, 35 degree slope at 9,000 feet. The break occured 20 cm down on lower density stellars crystals that fell two days ago. I do not anticipate this weakness to last more than a few days. Photo: GNFAC
Forecast link: GNFAC Avalanche Forecast for Wed Mar 23, 2011
This column of snow would not fracture in my stability tests. Located on a SE facing slope at 7,700 feet on Bacon Rind, it was moist and cohesive. This is the first, real sign of spring I've seen. Photo: GNFAC
GNFAC Avalanche Forecast for Tue Mar 22, 2011
Snowpack and Avalanche Discussion
The Bridger, Madison and Gallatin Ranges, the Lionhead area near West Yellowstone, the mountains around Cooke City and the Washburn Range:
GNFAC Avalanche Forecast for Mon Mar 21, 2011
Snowpack and Avalanche Discussion
The Bridger, Madison and Gallatin Ranges, the Lionhead area near West Yellowstone, the mountains around Cooke City and the Washburn Range:
This slide was triggered by a falling cornice. The crown is close to 3 feet deep at the deepest. Avoiding slopes under large cornices is a wise idea. Tobacco Root Mountanis - Photo Alex Marienthal
Forecast link: GNFAC Avalanche Forecast for Mon Mar 21, 2011