Pollein and Saint-Marcel

Wind slabs and weak layers are the main source of danger. Increase in danger of moist avalanches as a consequence of warming during the day and solar radiation.

Wind slabs and weak layers are the main source of danger. Increase in danger of moist avalanches as a consequence of warming during the day and solar radiation.

The fresh snow of the last seven days as well as the wind slabs can still be released in some cases, in particular on extremely steep slopes, and at transitions from a shallow to a deep snowpack, when entering gullies and bowls for example. To some extent avalanches can be released in deep layers and reach medium size. Whumpfing sounds serve as an alarm indicating the danger. On very steep sunny slopes the likelihood of avalanches will increase during the day. On extremely steep sunny slopes more frequent small and, in isolated cases, medium-sized dry and moist snow slides are to be expected as the day progresses, in particular at the base of rock walls, and in steep rocky terrain.

30 to 50 cm of snow, and even more in some localities, fell in the last seven days. The strong wind has transported the new snow. Adjacent to ridgelines and in pass areas and at high altitudes and in high Alpine regions a little snow is lying. Weak layers exist in the old snowpack in all aspects. At low and intermediate altitudes less snow than usual is lying. As a consequence of highly fluctuating temperatures and solar radiation a crust formed on the surface, in particular below approximately 2300 m on very steep sunny slopes.

As the day progresses as a consequence of warming during the day and solar radiation there will be a gradual increase in the danger of moist snow slides. As a consequence of highly fluctuating temperatures the snow drift accumulations will stabilise.