Observer Peter Leh
Observation At:2021/01/17
Elevation750m〜1100m
Co-workerHokkaido Backcountry Club
Temp. 〜
午前CLR 雲量0
午後CLR 雲量0
午前
午後
午前
午後
HST
HS Range
午前L 1-7m/s
午後L 1-7m/s
午前
午後
飛雪
気象コメント Clear AM then Increasing clouds PM then Snow late. NE AM Then W PM
Avalanche Observations Yesterday or last night Wind Slab S Iwaonupuri size1.5 Cross Loaded See photo. Also-Remote triggered size 1 failed on old (yesterdays warmed surface) Melt layer Faceting?? with rapid cold clear night?
Avalanche Activities_Yes or No Yes
シューティングクラック No
重要な層と弱層とテスト結果
Snowpack Surface is Highly variable- Sastrugi from N winds last night- Pencil hard wind pack NE aspects alpine- Stiff wind slabs cross loaded and frequent 1m shooting cracks, loose surface powder. Penetration Ski 0- 30cm