January 8, 2022
January 9, 2022
Zone or Region:
Cowboy Mountain, top of Tye Mill chair.
Did you observe any avalanches? Yes
Size 2: Could bury, injure, or kill a person
Natural storm slab crown of ~12" on steep NW aspect. Winds had scoured up W aspect and loaded the "Backside" on E aspect - found small cornices and drifts that broke as wind slabs at ~6" on E aspect.
Ski penetration=6", boot penetration=20" on wind-scoured W aspect. Tree branches had a frozen layer beneath snow. Dug a pit on W aspect, found layered density changes back and forth between 4f and 1f in top meter of snowpack, no evidence of crusts, no sugary layer present. Total snowpack depth of 3.3 meters. Irregular fractures in storm layers on shear test. Skied buttery wind-affected snow on W aspect, no fractures or collapsing, avoided wind-loaded E aspects.