Persistent weak layers
- All elevations
Wind slabs and weakly bonded old snow are to be assessed with care and prudence.
Wind slabs and weakly bonded old snow are to be assessed with care and prudence.
The fresh and older wind slabs can be released by a single winter sport participant in particular on steep shady slopes. The avalanche prone locations are to be found adjacent to ridgelines and in gullies and bowls. They are to be avoided as far as possible. Caution is to be exercised on steep, little used slopes. Avalanches can reach medium size. In the regions neighbouring those that are subject to danger level 3 (considerable) the avalanche danger is higher. Meticulous route selection is recommended. In the evening as a consequence of the snowfall there will be an increase in the avalanche danger.
The wind slabs are poorly bonded with the old snowpack on steep shady slopes. On Saturday further wind slabs formed as well. In some cases the various wind slabs have bonded still only poorly together. The old snowpack consists of faceted crystals, especially on wind-protected shady slopes. At elevated altitudes snow depths vary greatly, depending on the infuence of the wind. In some regions less snow than usual is lying.
Increase in avalanche danger as a consequence of new snow and strong wind. The snowpack will become increasingly prone to triggering. In the regions exposed to precipitation the avalanche danger will increase to level 3 (considerable).
Bulletin data: Avalanche Warning Service Tirol, avalanche.report (CC BY 4.0)