Avalanche Bulletin

更新日時: 2022/01/20 08:00

Hakuba


Alpine Fair


Treeline Fair


Below Treeline Fair


信頼度:○ good □ Fair △ Low

Travel and Terrain Advice

Beware of point-generated avalanches caused by snow with weak coupling. If there is a slope, it also occurs in the forest. Even if an avalanche is small, it can be fatal if it is scooped underfoot and crashed into a tree. When raising the elevation, please pay attention to the wind conditions. Very soft storm slabs are starting to form. When visibility is poor, be especially vigilant about the presence of outbreaks above you.

Avalanche Problem

ストームスラブ Storm slab


ベース画像

今朝7時半頃から始まった強い降雪による

点発生乾雪雪崩 Dry Loose snow


ベース画像

今朝7時半頃から始まった強い降雪による

概要

Avalanche


Yesterday (19th), multiple surface avalanches of size 2-2.5 were observed and reported on the open slope facing northeast to east of the elevation zone near the forest limit from the upper part of the forest zone. Both occurrences occur between the day before and the morning of the day.

Snowpack


Strong snowfall with a depth of about 3 cm has started from around 7:30 this morning, and it continues today.

Weather


The Japan Meteorological Agency is forecasting southern wind, daytime, northern wind, cloudy, and snow from before noon, and the highest temperature - 2℃ (elevation 418m) for the northern part of Nagano prefecture. At the foot of Mt. Hakuba (elevation 703m), the temperature is -4.9℃ (as of 5:00). There is no new snowfall since last night at an altitude of 1,000m.

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