アンヌプリ穏やかな登山日和。稜線歩きは快適

Today, Niseko Annupuri offers calm summer climbing conditions from morning through midday. The summit is expected to transition from partly cloudy to mostly sunny, with temperatures rising to the mid-16s Celsius by afternoon. Winds will remain light from the south, and visibility is excellent. The temperature difference between the summit and base is approximately 6 degrees Celsius. The perceived temperature at the summit is expected to reach around 15 degrees Celsius at its peak. However, an automatic risk assessment indicates a rapid temperature drop of over 10 degrees Celsius from evening to early morning. Even for daytime activities, carry an extra layer of insulation.

There is no snow cover. The ground will be predominantly dry, but some damp areas and mud may persist in shaded spots or along routes centered on the northwest slope ski runs. Crampons or microspikes are not necessary. However, full rain gear (jacket and pants) is essential for sudden changes in weather. Ensure adequate hydration. The risk of thunderstorms is low. Daytime winds will be light, with gusts up to about 6 meters per second, so strong winds will not restrict movement.

However, climbers should be aware that this area, with its accessible ridge lines, can experience whiteout conditions and strong winds during sudden weather changes. While the risk of hypothermia is low during the day, preparation for the rapid temperature drop in the evening is crucial. If activities extend into the night, significant cold weather gear will be necessary as temperatures could fall to around 4 degrees Celsius by early morning. Make decisions to turn back early.