Boletín de aludes

Bregenzerwald Mountains

LWD Vorarlberg
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Peligro de aludes

Above 1,800 m
2 · Moderado
Below 1,800 m
1 · Débil
Desactualizado: este boletín caducó 7 months ago. Estás viendo condiciones pasadas, no el boletín vigente.

Lo esencial

Isolated avalanche prone locations in steep shady terrain

Problemas de aludes

  • Persistent weak layers

    • Above 1,800 m

Avalanche Activity

Isolated avalanche prone locations in steep shady terrain

A single winter sports enthusiast can trigger small slab avalanches in some places, particularly in ridgeline terrain and in wind-loaded gullies and bowls. If releases then sweep away deeper weak layers of the snowpack, the avalanche can in isolated cases grow to medium size. Danger zones are impossible to spot. Whumpf noises and fractures forming on the surface are alarm signals. Due to higher daytime temperatures and solar radiation, isolated loose-snow avalanches can be expected in very steep terrain.

Snowpack Structure

Isolated older snowdrift accumulations lie deposited atop loose snow or surface hoar or a melt-freeze encrusted old snowpack surface. Particularly on steep shady slopes, unfavorable ground-level and intermediate layers inside the old snowpack persist in many places. On sunny slopes and generally at lower altitudes, the snowpack becomes thoroughly moist, then generates a breakable melt-freeze crust during the nocturnal hours.

Weather Forecast

Monday will be quite sunny above the high fog. In the afternoon, some cirrus clouds will move in. Temperature at 2000m: -6 to -2 degrees; at 3000m: -8 degrees. Light winds at high altitudes.

Tendency

Initially, no significant change anticipated

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

Regiones cubiertas