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190123 Mitahara-Yama

日付と場所 Date & Location

投稿者 Observer Contributor
観察日付 Observation At 190123
投稿日時 Posted At 190124 06:40
エリア Range 妙高・戸隠 Myoko/Togakushi
山岳 Mountain Mitahara-Yama
場所 Location Above Suginohara
同行者 Co-worker Grant Statham
雪崩情報 Avalanche Infomation 雪崩情報

観察データ Observation data

標高 Elevation 1400m〜2100m
気温 Temp. -8.0( / ) 〜 -6.0( / )
天気 Sky OVC 雲量10()
風 Wind 風速 Wind Speed:S 12-17m/s
風向 Wind Direction:W
風コメント Wind Comments:Lots of strong gusts and steady winds getting stronger as you gained elevation. WSL's forming on any lee features-seemed generally unreactive to ski testing but we avoided any WSL's over 35 degrees
降水 Precipitation 降水の種類 Precip. Type:S 雪
降水の強度 Precip. Rate:S-1
降水コメント Precip. Comments:
雪崩などの観察 Avalanche Observations Nil new observed
雪崩発生有無 Avalanche Activities_Yes or No No
積雪構造 Snowpack
Spin No
コメント Comments There must be big stiff Windslabs in treeline and alpine areas. no results in any tests we did in upper 50-70 cm of snowpack but it would be wise to let the Windslabs heal for a day or so.
動画URL Movie

総括 Summary

総合的なコメント General Comments