Bulletin d’avalanche

Lechquellen Mountains

LWD Vorarlberg
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Danger d’avalanche

Above 2,000 m
2 · Modéré
Below 2,000 m
2 · Modéré
Périmé — ce bulletin a expiré 2 years ago. Vous consultez des conditions passées, pas le bulletin en cours.

Points saillants

Trigger-prone snowdrift accumulations due to fresh snow and wind

Problèmes avalancheux

  • Wind slab

    • Toutes altitudes
  • Gliding snow

    • Toutes altitudes

Avalanche Activity

Trigger-prone snowdrift accumulations due to fresh snow and wind

Due to fresh snow and brisk NW winds, trigger-prone snowdrift accumulations are being generated. Danger zones occur esp. in ridgeline steep terrain, behind discontinuities and in gullies and bowls, mostly small releases triggered by winter sports enthusiasts. The drifts should be assessed with caution in steep terrain. Danger zones will increase as the day progresses. Also, glide-snow avalanches can be large. Avoid zones below glide cracks.

Snowpack Structure

Due to strong W/SW winds on Monday, small snowdrift accumulations were generated on Monday in high alpine regions. The fresh snow and brisk NW winds on Tuesday will generated more fresh snowdrifts, esp. at high altitudes, which will be trigger-prone. As temperatures drop the wet snow will stabilize, wet-snow avalanches will decrease, glide-snow avalanches persist.

Weather Forecast

Nocturnal hours: Dry and cloudy skies, but for a few showers, snowfall will get heavier in early morning. Tuesday daytime: Wintery! Snowfall level dropping to 1000 m. At 2000 m: -4 degrees. Moderate to brisk northwesterly winds.

Tendency

Due to snowfall, cold, brisk NW winds, wintery weather will continue on Wednesday. Danger of dry-snow avalanches will increase. Glide-snow avalanches remain a threat, but they will be less active.

Bulletin data: Avalanche Warning Service Vorarlberg (CC BY 4.0)

Régions couvertes