Danger level
2400m |
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Old wind slabs are to be evaluated critically.
The wind slabs of the last few days must be evaluated with care and prudence in particular on northwest to north to northeast facing aspects above approximately 2400 m. In some cases the wind slabs have bonded still only poorly with the old snowpack. As a consequence of warming during the day and solar radiation the prevalence of the avalanche prone locations will increase.
In some places avalanches can be triggered in deep layers of the snowpack and reach large size in isolated cases. This applies in case of releases originating from very steep starting zones at high altitudes and in high Alpine regions that have retained the snow thus far, especially at transitions from a shallow to a deep snowpack. This applies in particular in case of a large load.
Snowpack
These wintry weather conditions gave rise to unfavourable bonding of the snowpack in particular on shady slopes. Faceted weak layers exist deep in the old snowpack especially at high altitudes and in high Alpine regions. Sunshine and high temperatures gave rise on Thursday to significant moistening of the snowpack below approximately 2500 m.
The somewhat older wind slabs are to be found especially in places that are protected from the wind. In some cases the various wind slabs have bonded poorly together. Towards its base, the snowpack is moist. This applies especially at low and intermediate altitudes.
Tendency
The avalanche danger will persist.