投稿者 Peter Leh
観察日付:2021/01/14
標高340m〜970m
同行者Hokkaido Backcountry Club
気温 〜
午前OVC 雲量10
午後OVC 雲量10
午前S 雪
午後S 雪
午前S1
午後S1
HST
HS Range
午前S 12-17m/s
午後S 12-17m/s
午前W
午後W
飛雪
気象コメント
雪崩などの観察 1400 @ Wind Slab Size 1 Skier Triggered down 40cm 20m crown flowed 60m. N aspect 38degrees One @960m One @ 890m Did not propagate above ski cuts
雪崩発生有無 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
積雪構造 Temperatures dropped throughout day with additional blowing and drifting snow. First run off N side west peak no cracking. An hour later wind slabs forming with lots cracking and several small slab releases