Persistent weak layers
- Above 1,900 m
Skiable terrain is still prone to triggering. Wind slab snow lies on weak old snowpack.
Skiable terrain is still prone to triggering. Wind slab snow lies on weak old snowpack.
The avalanche risk is moderate above 1900 metres and low below. Slab avalanches can be triggered in some places by low additional loads and can reach medium size. Both fresh and older drift snowpacks as well as the weakly built-up old snowpack can be disturbed, fractures can tear through. Avalanche prone locations increase rapidly from the tree line upwards. They are concentrated from west to north to east, in some places in the southern sector in the high Alps, and generally next to blown-off areas. Drift snow areas should be avoided. Whumpfing collapsing sounds when stepping on the snowpack can indicate danger. The avalanche prone locations are difficult to recognise.
Around 10 cm of snow falls on a locally very varied snow surface. There are areas with little snow next to considerable snowdrift accumulations. In places, these have been transformed and are soft, in places hard as a board. At the transition to the old snowpack, there are faceted crystals on and under the crust, which can serve as a reactive weak layer. Fractures in the persistent weak layer usually occur here. Deeper in the old snowpack there is a sequence of faceted crystals, crusts and a lot of deep rime. The total snow depth is well below average.
Clouds will predominate on Sunday and visibility will be limited in places. It will snow lightly to moderately heavily, especially in the afternoon. A total of around 10 cm will fall. The southerly wind will be weak to moderate. At 2000 metres around -3 degrees, at 3000 metres around -9 degrees.
No significant change in avalanche danger.
Bulletin data: Avalanche Warning Service Salzburg (CC BY 4.0)