Avalanche Occurrence

Observer:

NWAC Forecaster

Occurrence Date:

Jan 4, 2023 ()

Location:

Upper Little Zigzag Canyon

Comments:

Skier triggered avalanche from below with a partner. No one was caught or carried. According to the party, the avalanche propagated widely out sign since visibility was poor. Slab depths were 12-15 inches deep on average. Unknown bed surface, however likely failing on 12/30 IFrc. The party observed heavy wind loading on W aspects and isolated shooting cracks throughout their tour.