Hermit Moraines Sa & Sr
Glacier National Park
jared.kesteven , Tuesday 30th March, 2021 8:30PM
Little Sifton Traverse. Had been digging along the way up Grizzly Shoulder and to the col. consistently 40-60cm F to 1F dry storm snow on 5cm P MFcr (Susp Mar 19) with F moist MF below to ~1900m, above this elev, prev MF were FC'ing. CTM RP down ~25cm, CTH RP at MFcr down 40-60cm. Several settlements observed on shallower ridge features. Working down through Hermit Moraines in whiteout seeking lower angle terrain. Adjacent steep roll was triggered when third member of party came down beside it. Bulk of avalanche was to skiers right of downtrack. No involvements. While deciding on best exit strategy and digging a hasty pit, an adjacent slope to skiers left was triggered remotely from a settlement at the profile. Prev wind effect present in storm snow. The Sr was on a SE asp at 2350m Sz 2 with similar crown depth, running ~100m into lower angle terrain.
Snow conditions were: Powder, Wind affected. Riding quality was good.
Avalache Conditions: Slab avalanches today or yesterday. 30cm + of new snow, or significant drifitng, or rain in the last 48 hours. Whumpfing or drum-like sounds or shooting cracks.