Bollettino valanghe

Lechquellen Mountains

LWD Vorarlberg
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Pericolo valanghe

All elevations
2 · Moderato
Non aggiornato — questo bollettino è scaduto 3 years ago. Stai vedendo condizioni passate, non il bollettino in corso.

In sintesi

Caution: fresh and blanketed drifts, glide-snow avalanches

Problemi valanghivi

  • Wind slab

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  • Gliding snow

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Avalanche Activity

Caution: fresh and blanketed drifts, glide-snow avalanches

Avalanche danger is moderate at higher altitudes. Main problem: fresh or covered snowdrift accumulations in outlying terrain. Danger zones occur in steep wind-loaded terrain and ridgelines and increase in size and frequency with ascending altitude. A medium slab avalanche can be triggered by 1 person. More deeply embedded layers inside the snowpack can usually be triggered only be large additional loading, primarily in transitions from shallow to deeper snow, e.g. at entries into gullies and bowls. At all altitudes in steep terrain and on smooth grass-covered slopes in all aspects, glide-snow avalanches are possible which can reach medium size. Caution in zones below glide cracks.

Snowpack Structure

The large amounts of fresh fallen snow with little wind have been able to settle and bond with the old snowpack. In places there are soft layers or older snowdrift accumulations which have been blanketed over. Particularly on steep shady slopes above 2200 m, the old snowpack from late autumn still has unfavourable intermediate layers which are triggerable as slab avalanches. There is currently little data available to the Avalanche Warning Service about the snowpack in various regions.

Weather Forecast

Nocturnal hours: Following an evening of mildly clouded skies, the cloud cover will intensify overnight. Friday: cloud cover will descend, the peaks become shrouded in fog. As of midday, light snowfall can be expected, as rainfall below 800-1000 m. At 2000 m: -2 degrees. Moderate high altitude winds, initially southerly, shifting to westerly.

Tendency

Saturday will be pleasant. As evening approaches, light precipitation will set in. The avalanche situation is not expected to change significantly.

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

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