Persistent weak layers
- Above 2,200 m
- Größe
- 2
Stability: poor · Frequency: some
Weak layers in the old snowpack represent the main danger. Wind slabs require caution.
Stability: poor · Frequency: some
Stability: poor · Frequency: few
Weak layers in the old snowpack represent the main danger. Wind slabs require caution.
Weak layers in the old snowpack can still be released in some places by individual winter sport participants. The avalanche prone locations are to be found in particular on very steep shady slopes above approximately 2200 m. Such avalanche prone locations are barely recognisable, even to the trained eye. Avalanches can reach medium size. Wind slabs can be released by a single winter sport participant in some cases on very steep shady slopes above approximately 2400 m, especially adjacent to ridgelines. The mostly small wind slabs are clearly recognisable to the trained eye. As a consequence of warming during the day and the solar radiation, the likelihood of moist loose snow slides being released will increase a little on extremely steep south facing slopes.
Shady slopes: Avalanche prone weak layers exist in the centre of the snowpack in particular on little used shady slopes. As a consequence of a moderate wind, wind slabs formed adjacent to ridgelines. These are lying on soft layers at elevated altitudes. Sunny slopes: The snowpack will be in most cases well bonded. The solar radiation will give rise as the day progresses to increasing softening of the snowpack on steep sunny slopes. Below the tree line only a little snow is now lying.
Weak layers in the old snowpack represent the main danger. As a consequence of warming during the day and the solar radiation, the likelihood of wet snow slides being released will increase a little in particular on extremely steep sunny slopes.
Bulletin data: Avalanche Warning Service South Tyrol, avalanche.report (CC BY 4.0)