Bollettino valanghe

Lechquellen Mountains

LWD Vorarlberg
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Pericolo valanghe

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1 · Debole
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In sintesi

Isolated avalanche prone locations in persistent weak layer of old snow.

Problemi valanghivi

  • Persistent weak layers

    • Above 2,400 m

Avalanche Activity

Isolated avalanche prone locations in persistent weak layer of old snow.

In isolated cases avalanches can be triggered in persistent weak layers on very steep shady slopes. These releases are mostly small-sized. In addition, generally small-sized snowdrift accumulations have been generated at very high altitudes. The risks of falling and sustaining injuries outweigh those of being buried in snow masses.

Snowpack Structure

The snowpack crust - breakable to capable-of-bearing-loads – which is generated during the nocturnal hours softens up during the daytime on sunny slopes, on shady slopes the snowpack surface often remains hard-frozen. Since there is hardly any transportable snow, strong-velocity southerly winds generated only small-sized local snowdrift accumulations. On shady slopes in high alpine regions, isolated weak layers occur inside the snowpack. South-facing slopes are bare of snow up to high altitudes. Only limited information is currently available to the Avalanche Warning Services from outlying terrain.

Weather Forecast

No significant change is anticipated, sunshine and high-altitude cloudbanks will provide pleasant mountain weather conditions. Temperatures will remain mild and southerly winds will be feelable only in the classic foehn lanes. Temperatures at 2000m: -1 to +4 degrees, at 3000m: -2 degrees. Light to moderate-velocity southerly winds at high altitudes, brisker in the foehn mountain ranges.

Tendency

Avalanche danger expected to remain low

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

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