Bulletin d’avalanche

Allgäu Alps Central

LWD Bayern
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Danger d’avalanche

Above 1,600 m
2 · Modéré
Below 1,600 m
1 · Faible
Périmé — ce bulletin a expiré 4 years ago. Vous consultez des conditions passées, pas le bulletin en cours.

Points saillants

Weak layers in the old snow need to be assessed cautiously.

Problèmes avalancheux

  • Persistent weak layers

    • Toutes altitudes
  • Wind slab

    • Toutes altitudes

Avalanche Activity

Weak layers in the old snow need to be assessed cautiously.

Avalanche danger above 1600 m is moderate, below that altitude danger is low. Main problem: in the old snowpack layers on shady slopes. Slab avalanches can trigger in transitions from shallow to deep snow, e.g. at entries into steep gullies and bowls or behind abrupt discontinuities in the terrain by the weight of one sole skier. Elsewhere, older snowdrifts can be triggered mostly by large additional loading. Frequency and spread of danger zones increase with ascending altitude. Avalanche can become large-sized at high altitudes. In addition, on N/W facing ridgeline slopes, shallow drifts can be triggered as small slab avalanches. Elsewhere, isolated small glide-snow avalanches are possible on steep grass-covered slopes.

Snowpack Structure

A few cm of fresh snow blanke older snowdrift masses which were able to settle well on sunny slopes in particular. At higher altitudes the snowpack is still riddled with weak faceted layers. Where snow is shallow, these layers can still be triggered. Near ridgelines snowdrifts have been generated which are prone to triggering.

Tendency

Avalanche danger is expected to diminish over the next few days due to rising temperatures.

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

Régions couvertes