Skier Triggered Wind Slab

CB Avalanche Center 2020-21 Observations

Date of Observation: 03/21/2021

Zone: Northwest Mountains
Location: Peeler Basin
Aspect: North, North East
Elevation: 12,100’

Avalanches: Skier triggered (D2?) wind slab off ridgeline ATL on northeast aspect. Obvious convex rollover and poor terrain selection. Crown approx 2’ and stepped down mid-slope to 3/10 layer. Skier was not caught and able to ski out but pretty spicy!
Weather: Mixed snow and sun. Maybe accumulated 1-2” during the day. Very calm wind.
Snowpack: 6-8” new above 11k. Seemed generally non-wind affected until obvious loading on ridgeline. Solar aspects became very moist with each sun pop throughout the day.

 

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