09-10

GNFAC Avalanche Forecast for Mon Dec 21, 2009

Snowpack and Avalanche Discussion

The southern Gallatin Range, the entire Madison Range, the Lionhead Area near West Yellowstone, the mountains outside Cooke City and the Washburn Range

Two weeks ago I imagined a linear progression of the snowpack from good in the northern Madison Range to terrible in the south near Lionhead.  My vision held true for a short period of time, but now has disintegrated as weak and unstable conditions have formed across the entire Madison Range.