雪崩ハザード評価の登録
Observer Dave Enright
Posted At：2020/02/01 17:25
RangeHakuba MountainHappo LocationAbove Grat lift
Observation At：2020/02/01
Elevation1750m〜2130m
Co-worker
観察データ
気象データ
Temp. -8.0(13hrs / 0m) 〜 -5.0(09hrs / 35m)
天気
午前BKN 雲量6-9
午後BKN 雲量6-9
降水種類
午前S 雪
午後S 雪
降水強度
午前S-1
午後S-1
HST
HS Range
風速
午前S 12-17m/s
午後S 12-17m/s
風向
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
雪崩データ
Avalanche Observations 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
Avalanche Activities_Yes or No Yes
シューティングクラック No
積雪データ
重要な層と弱層とテスト結果
Snowpack 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.
Comments
