Bollettino valanghe

Bregenzerwald Mountains

LWD Vorarlberg
Vedi sulla mappa

Pericolo valanghe

Above treeline
3 · Marcato
Below treeline
2 · Moderato
Non aggiornato — questo bollettino è scaduto 2 years ago. Stai vedendo condizioni passate, non il bollettino in corso.

In sintesi

Fresh snow and fresh drifts are prone to triggering

Problemi valanghivi

  • New snow

    • Above treeline
    Dimensione
    3

    Stability: very poor · Frequency: some

  • Wind slab

    • Above treeline
    Dimensione
    2

    Stability: poor · Frequency: some

  • Gliding snow

    • Below 2,000 m
    Dimensione
    2

    Stability: very poor · Frequency: few

Avalanche Activity

Fresh snow and fresh drifts are prone to triggering

Above the treeline avalanche danger is considerable, below that altitude danger is moderate. Danger zones occur behind protruberances in the terrain and on wind-loaded steep slopes. Frequency and magnitude tend to increase with ascending altitude. Whumpf noises and glide cracks when you tread upon the snowpack are signals of danger. Avalanches can be triggered even by the weight of one sole skier. In zones where snowfall has been heavy on steep grassy slopes and hillsides, increasingly frequent small-to-mediuim glide-snow avalanches are possible. Due to solar radiation loose-snow avalanches can be expected in rocky terrain.

Snowpack Structure

The large amounts of fresh fallen snow and drifts, particularly at high altitudes, are poorly bonded with the old snowpack, making them prone to triggering. In the upper part of the snow layering there are weak layers evident (blanketed graupel / inside the latest snowdrift layers).

Weather Forecast

NIghttime skies will be dry, little cloud, very cold. On Wednesday, sunshine from the start, often cloudless skies. Below 1000m, some fogbanks could prove persistent in the morning. During the daytime, temperatures will rise measurably. At 2000m: -8 to -1 degree. Strong NE winds at high altitudes.

Tendency

Avalanche danger levels will slowly diminish

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

Regioni coperte