Bulletin d’avalanche

Bregenzerwald Mountains

LWD Vorarlberg
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Danger d’avalanche

Above 1,800 m· Matin
2 · Modéré
Below 1,800 m· Matin
1 · Faible
Above treeline· Après-midi
2 · Modéré
Below treeline· Après-midi
2 · Modéré
Périmé — ce bulletin a expiré 4 years ago. Vous consultez des conditions passées, pas le bulletin en cours.

Points saillants

Wet-snow avalanches on steep sunny slopes during the daytime

Problèmes avalancheux

  • Persistent weak layers

    • Toutes altitudes
  • Wet snow

    • Toutes altitudes
  • Persistent weak layers

    • Toutes altitudes

Avalanche Activity

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.

Snowpack Structure

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.

Weather Synopsis

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.

Tendency

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)

Régions couvertes