Avalanche Bulletin
更新日時: 2022/01/04 06:30
Hakuba
Alpine Fair
Treeline Fair
Below Treeline Fair
信頼度：○ good □ Fair △ Low
Travel and Terrain Advice
This is a dangerous avalanche condition. Please consider an action plan in mind that the weather forecast will continue to increase in snowfall has been announced in the future, and the situation will change in the morning and in the afternoon. Even if you are in the below treeline, pay attention to the occurrence areas and runways in the forest, and value the principle behavior, such as moving at appropriate intervals. It is also an important point to check whether there is a “terrain trap” at the end of the slope you want to slide on.
Avalanche Problem
点発生乾雪雪崩 Dry Loose snow
ストームスラブ Storm slab
昨夕からの降雪で形成したストームスラブ
概要
Avalanche
Yesterday (1/3), a point avalanche of size 1 or an avalanche of size 1 -1,5 due to ski cutting has been observed and reported in the below treeline. Both are due to the most recent snowfall.
Snowpack
The instability that had been observed in the below treeline yesterday was beginning to subside after that, due to the fact that the snow cover settled down, a new snowfall began last evening, and it has been consolidated mainly on the south side of the valley of Hakuba. It is necessary to pay attention to the condition of the slabs that form with this snowfall.
Weather
The Meteorological Agency has announced “weather information on heavy snow” at 5:18 on the 4th, and in the future, due to the influx of strong cold in the sky, it is forecast to snowfall of 40 cm along the mountains in the northern part of Nagano prefecture in 24 hours until 6:00 on the 5th It will be Snowfall until this morning has increased on the south side of Hakuba Valley, and it is about 35 cm in Hakuba and Omachi. The temperature is -0.3℃ (as of 6:00) in Hakuba (elevation 703 m).
