Bollettino valanghe

Allgäu Alps West

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

Mostly moderate danger, glide-snow avalanches persist

Problemi valanghivi

  • Persistent weak layers

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  • Gliding snow

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Avalanche Activity

Mostly moderate danger, glide-snow avalanches persist

Predominantly favorable conditions prevail, avalanche danger is moderate. Near-surface layers and older drifts are increasingly prone to triggering at higher altitudes. Danger zones occur esp. in transitions from shallow to deep snow and in heavily wind-loaded terrain. Avalanches can be triggered by large additional loading and grow to medium size. Backcountry sports require prudent route selection. Caution urged near cornices. The situation is more critical at high altitudes, loose-snow avalanches are possible esp. in steep sunny and rocky tererain. Glide-snow avalanches are still a threat on steep grass-covered and rocky slopes in all aspects, avoid zones below glide cracks.

Snowpack Structure

The most recent bout of fresh snowfall lies atop a compact old snowpack surface. On shady slopes or where radiation is flat the snow is often still loose. On steep sunny slopes the uppermost layers are often encrusted and capable of bearing loads, bonding is moderate, often with blanketed graupel. In early morning often a hard-to-icy surface. The warm ground and the moist-to-wet snowpack are reinforcing gliding snow movement.

Weather Forecast

Nocturnal hours: Scattered clouds with good outgoing longwave radiation. Tuesday daytime: Sunshine with some clouds, diffuse light conditions in the afternoon. At 2000 m: 1 to +7 degrees. Light W/SW winds.

Tendency

Wednesday will be predominantly sunny with a few clouds, and mild. Favorable conditions prevail with slightly rising danger as the day unfolds. Glide-snow avalanches continue to be possible, however.

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

Regioni coperte