Persistent weak layers
- All elevations
Distinct weak layers in the old snowpack are treacherous.
Distinct weak layers in the old snowpack are treacherous.
Distinct weak layers in the old snowpack can still be released by individual winter sport participants in particular on west, north and east facing slopes. This applies in particular between approximately 1600 and 2500 m, in isolated cases also on steep sunny slopes at elevated altitudes. Caution is to be exercised in particular at transitions from a shallow to a deep snowpack, when entering gullies and bowls for example. Avalanches can reach dangerously large size. Remotely triggered avalanches are possible. The fresh wind slabs are in some cases prone to triggering at elevated altitudes, especially adjacent to ridgelines on very steep shady slopes. In addition there is a danger of gliding avalanches. This applies on steep grassy slopes below approximately 2400 m.
Faceted weak layers exist in the centre of the snowpack, especially on west, north and east facing slopes between approximately 1600 and 2500 m, in isolated cases also on sunny slopes at elevated altitudes. Whumpfing sounds and the formation of shooting cracks when stepping on the snowpack serve as an alarm indicating the danger. Some snow will fall over a wide area. The wind will be moderate to strong.
A sometimes treacherous avalanche situation will persist.
Bulletin data: Avalanche Warning Service Tirol, avalanche.report (CC BY 4.0)