Persistent weak layers
- Todas las altitudes
Isolated slab avalanches can be triggered in the old snow.
Isolated slab avalanches can be triggered in the old snow.
Avalanche danger is low. Weak layers in the old snow can still be problematic in isolated cases. Avalanche prone locations are found adjacent to ridgelines on very steep slopes and in gullies in W/N/E aspects as well as at transitions from deep to shallow snow. Isolated medium-sized slab avalanches can be triggered in particular by large additional loading. Primarily in the Allgäu, isolated glide snow avalanches are possible on smooth steep grass-covered slopes.
At higher altitudes, isolated weak intermediate layers are still embedded in the old snowpack close to old snowdrift accumulations, and faceted crystals close to crusts. However, now they only trigger rarely. Otherwise the old snowpack is stable and compact. In leeward high altitude zones there are fresh shallow snowdrifts. At higher altitudes there is frequently still powder on shady slopes, but in patches also a wind crust. A lower altitudes a thin melt-freeze crusts forms during the night in south-facing terrain. Below 2000m the snowpack base is partly moist.
Avalanche danger will not change significantly.
Bulletin data: Avalanche Warning Service Bavaria (CC BY 4.0)