観察データ

観察データの使い方

Tanigawa-Dake

200107
日付と場所
投稿者 Observer Contributor
観察日付 Observation At 200107
投稿日時 Posted At 200107 20:33
エリア Range 谷川・かぐら Tanigawa/Kagura
山岳 Mountain Tanigawa-Dake
場所 Location East side of upper ridge. Alpine.
同行者 Co-worker Tristen Rasmussen (tristen@bcskiguides.com)
Avalanche Infomation
観察データ
標高 Elevation 700m〜1920m
気温 Temp.
天気 Sky X 不明(Broken in AM. Becoming obscured in afternoon)
風 Wind 風速 Wind Speed:L 1-7m/s
風向 Wind Direction:NW
風コメント Wind Comments:No snow transport with light winds
降水 Precipitation 降水の種類 Precip. Type:S 雪
降水の強度 Precip. Rate:S2
降水コメント Precip. Comments:S2 at end of day
雪崩などの観察 Avalanche Observations No new avalanche observed. Loose dry with skier traffic in steep terrain to size 1.0. No cracking or whumphing.
雪崩発生有無 Avalanche Activities_Yes or No No
積雪構造 Snowpack Strong wind effect in Alpine locations between 1900m and 1600m, snow surface is wind pressed. Test profile at 1700m on E aspect on Tanigawa-Dake ridge: 285cm HS at 1700m. 105cm HST. 1cm MFCR down 105cm. Upper 20cm is a P slab over a 4F layer. Moderate Sudden Planar test results with in HST (CTM down 20cm on density change, CTM down 75cm on density change). No results on MFCR down 105cm.
Spin No
コメント Comments
動画URL Movie
総括

Skied from Summit of Tanigawa-Dake (1950m) down to base of Tenjin Gondola (700m). Widespread wind effect in Alpine. Decent skiing in open areas. Very poor travel conditions below treeline with trees (alder) and open creeks.