雪崩ハザード評価の登録
Observer Dave iles
Posted At：2019/02/04 16:40
RangeMyoko/Togakushi MountainOkenashi LocationArai
Observation At：2019/02/04
Elevation340m〜950m
Co-worker
観察データ
気象データ
Temp. -1.7(15:00hrs / 950m) 〜 10.4(2:00hrs / 950m)
天気
午前OVC 雲量10
午後OVC 雲量10
降水種類
午前R 雨
午後R 雨
降水強度
午前RM
午後RM
HST
HS Range
風速
午前S 12-17m/s
午後S 12-17m/s
風向
午前W
午後W
飛雪
気象コメント Gusting Extreme, upper chair closed all day. Rain overnight turned to snow mid day
雪崩データ
Avalanche Observations Several sz 1.0 loose, wet btl in uncompacted terrain. Sz 2.0, outside boundary, 500m elevation, N asp, 200cm crown, 30m wide, 80m long, to ground, steep smooth bed surface, wet slab. Sz 2.0, closed area, 700m elevation, N asp, 150cm crown, 10m wide, 40m long, wet slab, initiated in steep vegetated terrain. All naturals.
Avalanche Activities_Yes or No No
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 Surface layers wet where observed (below 950m)
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