Bulletin d’avalanche

Border Graie Alps

Arpa Piemonte
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Danger d’avalanche

Above treeline
3 · Marqué
Below treeline
2 · Modéré
Périmé — ce bulletin a expiré 7 months ago. Vous consultez des conditions passées, pas le bulletin en cours.

Points saillants

New snow and wind slabs: In regions with a lot of snow and above the tree line the avalanche prone locations are more prevalent.

Problèmes avalancheux

  • Wind slab

    • Above treeline
    Taille
    3

    Stability: poor · Frequency: some

  • Persistent weak layers

    • Above 1,900 m
    Taille
    3

    Stability: poor · Frequency: few

Avalanche Activity

New snow and wind slabs: In regions with a lot of snow and above the tree line the avalanche prone locations are more prevalent.

In particular in the vicinity of peaks and in gullies and bowls medium-sized and, in isolated cases, large slab avalanches are possible as a consequence of new snow and wind. Additionally avalanches can also be released in the old snowpack. This applies in particular in case of a large load. Avalanches can be released, even by a single winter sport participant, caution is to be exercised on steep slopes, and on wind-loaded slopes. Whumpfing sounds and the formation of shooting cracks when stepping on the snowpack are a clear indication of a weakly bonded snowpack. The sometimes large wind slabs of the weekend are to be avoided as far as possible.

Snowpack Structure

30 to 50 cm of snow, and even more in some localities, has fallen since Friday above approximately 2000 m. In these regions the snowfall level rose to approximately 1600 m. At elevated altitudes snow depths vary greatly, depending on the infuence of the wind. Adjacent to ridgelines and in pass areas as well as above the tree line large wind slabs formed. The new snow is lying on top of a weakly bonded old snowpack in particular on shady slopes.

Tendency

The weather will be sunny. The weather conditions will foster a gradual strengthening of the snowpack.

Bulletin data: Arpa Piemonte (via EAWS / avalanche.report)

Régions couvertes