Middle Lys Valley

Weak layers in the upper part of the snowpack can still be released in some places.

Weak layers in the upper part of the snowpack can still be released in some places.

The new snow and wind slabs of the last ten days are lying on the unfavourable surface of an old snowpack in particular on very steep shady slopes and at high altitude, also on sunny slopes above approximately 2600 m. They can still be released in some cases. Winter sport participants can release avalanches in some places. Such avalanche prone locations are barely recognisable, even to the trained eye. As a consequence of warming during the day and solar radiation more small and, in isolated cases, medium-sized dry and moist avalanches are possible below approximately 2600 m, in particular on extremely steep sunny slopes, and in steep rocky terrain in high Alpine regions.

10 to 30 cm of snow fell on Sunday above approximately 2500 m. On Monday on very steep shady slopes numerous medium-sized and, in isolated cases, large avalanches were observed. On very steep sunny slopes numerous small and, in isolated cases, medium-sized avalanches occurred naturally. Sunshine and high temperatures gave rise to moistening of the snowpack in particular on sunny slopes below approximately 2900 m. As a consequence of falling temperatures a crust formed on the surface during the course of the night, this also applies on shady slopes below approximately 2000 m. In particular at intermediate altitudes less snow than usual is lying. On sunny slopes below approximately 2400 m hardly any snow is lying.

In the evening as a consequence of new snow and wind there will be only a slight increase in the danger.