Avalanche Bulletin
更新日時: 2025/01/26 06:30
Myoko
Alpine Low
Treeline Fair
Below Treeline Fair
信頼度：○ good □ Fair △ Low
Travel and Terrain Advice
In areas that have had snowfall since last night, watch out for storm slabs and loose snow avalanches. Hard Melt-Freeze crusts are hidden on the steep south-facing slopes, so ski with them in mind. Also, watch out for glide cracks below treeline, as fresh snow can make them hard to see.
Avalanche Problem
ストームスラブ Storm slab
Check the bonding of the old snow with the new snow from last night.
点発生乾雪雪崩 Dry Loose snow
概要
Avalanche
Yesterday (25th), a size 1 wind slab was observed on the southeast slope of the treeline.
Snowpack
In areas where the clouds have moved in, there is about 20 cm of new snow since last night. This new snow is on diverse snow surfaces. In the lower elevations, there are Melt-Freeze crusts, in the higher elevations where the wind has a strong influence, there is a hard snow surface, and in the north, the new snow is on top of the old snow that is settling and sintering.
Weather
The Japan Meteorological Agency is forecasting southerly winds, northerly winds during the day, cloudy, with occasional snow or rain until late afternoon, and a daytime high of 7 °C (13 m elevation) for the Joetsu region of Niigata Prefecture. At Sasagamine, Myoko (elevation 1,310 m), the temperature is -8 °C (as of 4:45 a.m.), with 17 cm of snow having fallen in the past 12 hours and 24 cm in the past 24 hours.
