Wind slab
- Above 2,200 m
- Size
- 2
Stability: poor · Frequency: some
The fresh and older wind slabs of the last few days represent the main danger. Weak layers in the lower part of the snowpack necessitate caution.
Stability: poor · Frequency: some
Stability: poor · Frequency: few
The fresh and older wind slabs of the last few days represent the main danger. Weak layers in the lower part of the snowpack necessitate caution.
As a consequence of a sometimes strong northwesterly wind, further wind slabs will form during the course of the night in particular in gullies and bowls and behind abrupt changes in the terrain. The fresh and older wind slabs can be released by a single winter sport participant in particular on northwest to north to east facing aspects. Caution is to be exercised in particular on near-ridge slopes above approximately 2200 m. At elevated altitudes the prevalence and size of the avalanche prone locations will increase. Avalanches can additionally in some places be released in the weakly bonded old snow. These avalanche prone locations are to be found especially on very steep shady slopes above approximately 2400 m, caution is to be exercised in particular at transitions from a shallow to a deep snowpack. Avalanches can reach medium size.
Some snow will fall in some regions, in particular in the west. As a consequence of the occasionally strong westerly wind, fresh snow drift accumulations will form in the course of the day. Shady slopes above approximately 2200 m: The old snowpack consists of faceted crystals. The fresh wind slabs are lying on soft layers. Faceted weak layers exist in the old snowpack in particular above approximately 2400 m.
Fresh wind slabs require caution. Until Monday the weather will be cold. These weather conditions will prevent a rapid stabilisation of the snow drift accumulations.
Bulletin data: Avalanche Warning Service Tirol, avalanche.report (CC BY 4.0)