The mountains around Cooke City have picked up measurable snowfall every day for the past six days. Fisher Creek Snotel site is recording 1.1” of snow water equivalent since last Saturday. This incremental loading has started to produce unstable conditions.
A skier outside of Cooke City triggered this soft slab during a ski cut. The slide failed on an E-NE facing slope and broke 12-16" deep on a thin curst beneath the new snow. The slope was not wind loaded. Photo B. Zavora
New snow and wind produced small natural avalanches in Tepee Basin in the southern Madison Range. This slide occurred on an east facing slope around 10,000 ft. and only involved the new snow. Fortunatley it didn't step down to deeper layers in the pack. Photo GNFAC
Bridger Range
Bridger Range
Bridger Range
Intense snowfall in the Bridger Range this weekend dropped 4-6 feet of low density powder. The new snow is overhead deep and doesn’t need wind or a weak layer to be a hazard. Be cautious of moving large volumes of loose snow on steeper slopes, and be heads up around tree wells and terrain where snow piles up deep.
Bridger Range
Track and bed surface of skier triggered slide on Saturday in northern Bridgers. Photo: J. Magajna
Deeper part of the crown of skier triggered avalanche on Saturday. Photo: J. Magajna
A skier intentionally triggered this avalanche in the new snow on Saturday near Fairy Lake. Strtong winds rapidly loaded the slope with low density new snow. It was up to 36" deep and 150' wide Photo: J. Magajna
