観察データ

観察データの使い方

大毛無山

190413
日付と場所
投稿者 Observer Richard Smith
観察日付 Observation At 190413
投稿日時 Posted At 190413 16:22
エリア Range 妙高・戸隠 Myoko/Togakushi
山岳 Mountain 大毛無山
場所 Location アライスキー場
同行者 Co-worker Dave Iles
Avalanche Infomation
観察データ
標高 Elevation 350m〜1350m
気温 Temp. 3.5(0800hrs / 950m) 〜 6.9(1400hrs / 950m)
天気 Sky FEW 雲量1-3(Clear overnight & in morning)
風 Wind 風速 Wind Speed:L 1-7m/s
風向 Wind Direction:SE
風コメント Wind Comments:
降水 Precipitation 降水の種類 Precip. Type:Nil なし
降水の強度 Precip. Rate:
降水コメント Precip. Comments:
雪崩などの観察 Avalanche Observations Multiple Na LW size 1 - 2 on E/SE aspects 900m - 1100m outside of resort boundary. Starting in 45°+ terrain. Ski cut stubborn LW size 1 on SE aspect at 1050 on 35° terrain. Size 2 glide slab from E facing cliffs at 900m outside of resort boundary.
雪崩発生有無 Avalanche Activities_Yes or No Yes
積雪構造 Snowpack Melt freeze cycle continued with strong MFcr on all aspects at all elevations in morning. This crust broke down during day everywhere but N aspects above 1000m. Upper 10 - 20cm became wet & 4f/F hardness on E & SE aspects. Upper snowpack firmer (P) and unreactive in all other areas.
Spin No
コメント Comments Picture is Na LW Sz 1.5 at 1100m, outside current ski area boundary.
動画URL Movie
総括