Valgrisenche

Wet slab avalanches and moist and wet snow slides are still likely to occur.

Wet slab avalanches and moist and wet snow slides are still likely to occur.

In starting zones where no previous releases have taken place individual occasionally large dry and moist avalanches are possible, especially above approximately 2500 m. In particular on shady slopes the avalanches can be triggered in deep layers of the snowpack. The high humditiy will give rise as the day progresses to moistening of the snowpack below approximately 2700 m. Moist avalanches can in some places be released in the weakly bonded old snow. This applies in particular on very steep slopes. The new snow of the last few days can be released by a single winter sport participant in particular on shady slopes. The current avalanche situation calls for experience in the assessment of avalanche danger and careful route selection.

80 to 130 cm of snow has fallen since Tuesday above approximately 2500 m. Saturday: Especially high Alpine regions: As a consequence of the southeasterly wind the wind slabs will increase in size in the afternoon. Up to 15 cm of snow will fall from the afternoon above approximately 2300 m. Towards its surface, the snowpack is moist and its surface has a crust that is strong in many cases. Since Wednesday several medium-sized and, in isolated cases, large avalanches occurred naturally.

10 to 25 cm of snow will fall until Sunday above approximately 2300 m. As a consequence of new snow and wind more dry and moist avalanches are possible.