雪崩ハザード評価の登録
Observer Contributor
Posted At：2020/01/07 20:33
RangeTanigawa/Kagura MountainTanigawa-Dake LocationEast side of upper ridge. Alpine.
Observation At：2020/01/07
Elevation700m〜1920m
Co-workerTristen Rasmussen (tristen@bcskiguides.com)
観察データ
気象データ
Temp. 〜
天気
午前X 不明
午後X 不明
降水種類
午前S 雪
午後S 雪
降水強度
午前S2
午後S2
HST
HS Range
風速
午前L 1-7m/s
午後L 1-7m/s
風向
午前NW
午後NW
飛雪
気象コメント Broken in AM. Becoming obscured in afternoon No snow transport with light winds S2 at end of day
雪崩データ
Avalanche Observations No new avalanche observed. Loose dry with skier traffic in steep terrain to size 1.0. No cracking or whumphing.
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 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.
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