Bollettino valanghe

Weak layers in the old snowpack represent the main danger.

Weak layers in the old snowpack represent the main danger.

Weak layers in the old snowpack can still be released by individual winter sport participants. This applies in particular on very steep west, north and east facing slopes above approximately 2200 m, as well as on very steep sunny slopes at elevated altitudes. Caution is to be exercised adjacent to ridgelines, as well as in gullies and bowls, and behind abrupt changes in the terrain. Avalanches can in isolated cases reach medium size. As a consequence of a strong to storm force wind from northwesterly directions, rather small wind slabs will form on Friday, in particular adjacent to ridgelines and in pass areas as well as at elevated altitudes. Meticulous route selection is recommended.

Towards its base, the snowpack is faceted and weak, especially on steep west, north and east facing slopes above approximately 2200 m, as well as on steep sunny slopes at elevated altitudes. Over a wide area strong northwesterly wind. Some snow will fall in particular in the north. The fresh wind slabs will be deposited on soft layers in particular on shady slopes above approximately 2600 m. In the north a little snow is lying.

The old snowpack remains prone to triggering. Fresh wind slabs require caution.