Avalanche Bulletin

更新日時: 2022/01/20 06:00

Myoko


Alpine Fair


Treeline Fair


Below Treeline Fair


信頼度:○ good □ Fair △ Low

Travel and Terrain Advice

Beware of unstable slabs that remain in certain terrain. Convex, extreme shapes, or wind slabs resting on very steep slopes should still be sufficiently inductive. If there are no traps in the terrain and the slope is not affected by the wind, it is possible to safely glide in fresh snow with support. Even if you feel that snow cover is trending steadily, you should continue with the principle of action, such as stopping in a safe place and moving at reasonable intervals in places exposed to avalanches. Habitalizing such a good behavior will reduce accidents in case of an emergency.

Avalanche Problem

ウインドスラブ Wind slab


ベース画像

概要

Avalanche


There is no observation report of a the new avalanche yesterday (19th). In the adjacent Hakuba Mountains, avalanches of size 2-2.5 that occurred from the morning of the 18th to the 19th have been observed and reported in a large occurrence area facing northeast to east.

Snowpack


Snow in stormy weather is rapidly settling and sintering at low altitudes. No noticeable vulnerability has been observed below the middle layer of snow cover. It is thought that the influence of northerly winds remains at high elevations.

Weather


The Japan Meteorological Agency predicts a high temperature of 3℃ (elevation 13m) south wind, later, northwest wind slightly stronger, snow, and a maximum temperature of 3 degrees (elevation 13 m) for the Joetsu region of Niigata prefecture. At Myoko Sasagamine (elevation 1310m), the temperature is -8℃ (as of 5:00), and there is no new snowfall in the past 24 hours.

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