Bulletin d’avalanche

Weisseck, Muhr Valley

LWD Salzburg
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Danger d’avalanche

Above 1,900 m
2 · Modéré
Below 1,900 m
1 · Faible
Périmé — ce bulletin a expiré 2 years ago. Vous consultez des conditions passées, pas le bulletin en cours.

Points saillants

Danger zones hard to recognize.

Problèmes avalancheux

  • Persistent weak layers

    • Above 1,900 m

Avalanche Activity

Danger zones hard to recognize.

Avalanche danger above 1900m is moderate, below that altitude danger is low. Avalanches can in some places be triggered even by one sole skier. Above 2200m avalanches can fracture down to more deeply embedded layers in the snowpack, particularly on steep north-facing slopes. Whumpf noises and cracks when you tread upon the snowpack, as well as fresh avalanche releases, are alarm signals and indicate imminent danger. Naturally triggered glide-snow and loose-snow avalanches are possible, mostly small sized releases. Small naturally triggered glide-snow avalanches are possible.

Snowpack Structure

Inside the old snowpack on very steep shady slopes there are weak layers of faceted crystals, snowdrifts form the slab at surface level. On the one hand, the snow was able to metamorhose esp. where snow is shallow; on the other, below the near-surface melt-freeze crust there are also faceted crystals. On shady slopes the loose snow is still evident, on sunny slopes it is turning to firn.

Weather Forecast

On Sunday, cloudless skies will extend over the mountains, only near the valley floors will fogbanks limit the visibility somewhat. Winds will be mostly light. At 2000m: -1 degree; at 3000m: -8 degrees.

Tendency

Persistent weak layer problem will gradually recede as snowpack settles

Bulletin data: Avalanche Warning Service Salzburg (CC BY 4.0)

Régions couvertes