投稿者 Dave Enright
観察日付:2020/02/01
標高1750m〜2130m
同行者
気温 -8.0(13hrs / 0m) 〜 -5.0(09hrs / 35m)
午前BKN 雲量6-9
午後BKN 雲量6-9
午前S 雪
午後S 雪
午前S-1
午後S-1
HST
HS Range
午前S 12-17m/s
午後S 12-17m/s
午前NW
午後NW
飛雪
気象コメント Often obsucured W at times 1 - 2cm accumulation through the day
雪崩などの観察 Report of a Skier accidental, Tengu Para area, 200131, 2050m, S aspect, 35 degrees, Storm Slab, depth 60cm, length 80m, failure plane, MFcr. Skier got carried 80m down slope, stopped with only his head above the snow! Skiing alone. Triggered the slide on a convexity. very small (0.5) windslab triggered on E aspect 1750m - 5m wide, 20cm deep, 8m length. 200201
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 2cm P MFcr > 11cm 1F DF > 4cm P MFcr (2cm 4F FC layer 89 - 91) > 8cm 4F FC > 24cm P / 1F RG (FC obs) >20cm 4F to 1F FC (1cm MFcr @ 55 + 51) > 35cm MFpc (FC obs) Happo, SE, 1980m 200201 ECTPVE (SC) down 20cm on FC 1.0 (Happo 1980 SE) CT3 (SC) same layer and location.