January 13, 2020
January 14, 2020
Zone or Region:
Sawtooth and Western Smoky Mtns
Dollar Mountain: Bitterroot Bowl
Did you see shooting cracks? No
Did you experience collapsing or whumpfing? Yes, Isolated
ridge line was blow and thin snowpack, rocks showing. N face of bowl was loaded.
Observed Avalanche Problem #1: Wind Slab
Comments: Natural breaking of slab about 20m x 20m. Slab broke about 30cm deep, but did not run. Slab was on N aspect just below ridgeline, <25 degree slope. evidence of loading from S wind.