Persistent weak layers
- All elevations
Wet-snow avalanches on steep sunny slopes during the daytime
Wet-snow avalanches on steep sunny slopes during the daytime
Avalanche danger is mostly low, in the afternoon danger is moderate. Danger zones occur in steep shady terrain. Transitions from shallow to deep snow require caution, e.g. at entries into gullies and bowls. Due to higher temperatures and solar radiation, small-to-medium, in isolated cases also large-sized wet-snow and glide-snow avalanches are possible on very steep sunny slopes during the course of the day.
On shady slopes, weak intermediate layers are evident. In higher altitude exposed zones, small snowdrift accumulations are prone to triggering. On very steep sunny slopes and at lower altitudes there is a melt-freeze crust in the early morning hours. Elsewhere the snowpack is still powdery. At intermediate altitudes on shady slopes more than anywhere else, surface hoar can be found. Through daytime warming and solar radiation the snowpack forfeits its firmness on steep sunny slopes.
Tuesday: cloudless skies, light winds, mild. Outstanding visibility. Zero-degree level at 3000 m. At 2000 m: 2 to 7 degrees. Light easterly winds, shifting to southerly.
Persistently sunny, very mild. Danger of dry-snow avalanches will gradually decrease. Due to higher temperatures and solar radiation, wet-snow and glide-snow avalanche activity will increase during the course of each day, particularly on very steep sunny slopes.
Bulletin data: Avalanche Warning Service Vorarlberg (CC BY 4.0)