Border Graie Alps

New snow and wind slabs: The avalanche danger will persist.

New snow and wind slabs: The avalanche danger will persist.

The new snow and wind slabs of Tuesday are lying on the unfavourable surface of an old snowpack on steep shady slopes at intermediate and high altitudes. The avalanche prone locations are to be found in particular on steep shady slopes at high altitudes and in high Alpine regions and adjacent to ridgelines and in gullies and bowls. This applies especially along the border with France. Sometimes the avalanches are medium-sized but can be released also by a single winter sport participant. Restraint should be exercised because avalanches can sweep people along and give rise to falls. Be careful of the numerous rocks hidden by the little snow.

15 to 30 cm of snow fell on Tuesday above approximately 1300 m. The new snow and wind slabs of Tuesday are lying on the unfavourable surface of an old snowpack in particular on shady slopes at intermediate and high altitudes. Shady slopes and in places that are protected from the wind: The old snowpack is faceted and weak; its surface is loosely bonded and consists of surface hoar and faceted crystals. Large-grained weak layers exist in the bottom section of the snowpack here. At low and intermediate altitudes from a snow sport perspective, in most cases insufficient snow is lying. At high altitudes and in high Alpine regions snow depths vary greatly, depending on the infuence of the wind.