Persistent weak layers
- Above 2,300 m
- Dimensione
- 2
Stability: poor · Frequency: few
Often favorable conditions but caution urged on shady steep high altitude slopes
Stability: poor · Frequency: few
Stability: very poor · Frequency: few
Often favorable conditions but caution urged on shady steep high altitude slopes
Danger zones occur particularly in shady steep terrain where the snow is shallow and in transitions from shallow to deep snow. Caution: these spots are not recognizable. Glide cracks and settling noises are signals of danger. If avalanches fracture down to deeper layers of the snowpack they can grow to large size. On steep grassy slopes, and on sunny slopes in general, but increasingly frequently also on shady slopes, small-to-medium glide-snow avalanches are possible. Caution urged below glide cracks.
The snowpack has settled well and consolidated increasingly. On shady slopes the uppermost layers are still loose or soft, on sunny slopes a crust has often formed. On high mostly shady slopes, weak layers are evident inside the old snowpack, also at ground level, which avalanches can trigger down to.
Nocturnal skies will be star-studded, and thus, very cold. Sund will be very dry, radiantly sunny, mild, with only light westerly winds. At 2000m: +2 - +4 degrees.
Avalanche danger levels will continue to decrease. Glide-snow avalanches will increasingly become the main danger.
Bulletin data: Avalanche Warning Service Vorarlberg (CC BY 4.0)