Border Graie Alps

The hard wind slabs can still be released in some cases.

The hard wind slabs can still be released in some cases.

The wind slabs represent the main danger. They are to be found in particular adjacent to ridgelines and in gullies and bowls. Hard wind slabs can be released, especially by large additional loads, on northwest to northeast to southeast facing aspects above approximately 1900 m. Large-grained weak layers exist in the old snowpack on steep shady slopes. In some places avalanches can be triggered in the old snowpack and reach quite a large size. Careful route selection and spacing between individuals are recommended.

More recent wind slabs are to be found in particular at intermediate and high altitudes. The new snow and wind slabs of last week are poorly bonded with the old snowpack. Large-grained weak layers exist in the old snowpack on shady slopes. Stability tests have shown the existence of a weak snowack in particular on west to north to east facing slopes. At elevated altitudes snow depths vary greatly, depending on the infuence of the wind. In particular in the vicinity of peaks hardly any snow is lying.

Over a wide area snowfall above approximately 1200 m. Gradual increase in avalanche danger during the course of the night.