Gliding snow
- All elevations
Fresh snowdrift accumulations, persistent glide-snow avalanches, otherwise favorable conditions
Nocturnal hours: Clear skies in most places. Saturday daytime: High-pressure conditions, radiant sunshine, rising temperatures, zero-degree level at 2700 m. At 2000 m: +4 degrees. Brisk to strong W/NW winds.
On Sunday, dry air masses and very mild, only a few cirrus clouds passing through, bringing diffuse light. Strong NW winds at high altitudes. The danger of dry-snow avalanches will continue to decrease. The gliding snow problem persists.
Fresh snowdrift accumulations, persistent glide-snow avalanches, otherwise favorable conditions
Avalanche danger is low, mostly small snowdrift accumulations are sometimes trigger-prone. Danger zones occur near ridges on NW/N/S facing slopes and in wind-loaded gullies and bowls. Avalanches can be triggered by large additional loading and grow to medium size. Glide-snow avalanches are still a threat on steep grass-covered and rocky slopes in all aspects, avoid zones below glide cracks.
As a result of fresh snow and wind, new snowdrift accumulations were generated on Thursday and Friday, mostly small, often trigger-prone. Weak layers occur where there is loose old snow and inside the latest snowdrift accumulations. In the uppermost layers are isolated weak layers which are prone to triggering. As a result of solar radiation and generally higher temperatures, the surface is moist. The warm ground and the moist-to-wet snowpack are reinforcing gliding snow movement.
Bulletin data: Avalanche Warning Service Vorarlberg (CC BY 4.0)