Bollettino valanghe

Lasörling Group

LWD Tirol
Vedi sulla mappa

Pericolo valanghe

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

In sintesi

The avalanche danger in particular in the regions exposed to heavier precipitation is within the upper range of danger level 3 (considerable). More snow than expected has fallen in some regions. Weakly bonded old snow is to be evaluated with care and prudence.

Problemi valanghivi

  • New snow

    • Above treeline
    Dimensione
    2

    Stability: very poor · Frequency: many

  • Persistent weak layers

    • Above 2,400 m
    Dimensione
    3

    Stability: poor · Frequency: some

  • Gliding snow

    • Below 2,600 m
    Dimensione
    3

    Stability: very poor · Frequency: few

Avalanche Activity

The avalanche danger in particular in the regions exposed to heavier precipitation is within the upper range of danger level 3 (considerable). More snow than expected has fallen in some regions. Weakly bonded old snow is to be evaluated with care and prudence.

In the regions exposed to heavier precipitation more frequent natural avalanches are possible. In the event of prolonged bright spells this applies. Avalanches can be released in near-surface layers of the snowpack. Avalanche prone locations are to be found in all aspects above the tree line. Shady slopes where surface hoar has been covered with snow are especially unfavourable. Defensive route selection is recommended. In addition the fresh wind slabs should be taken into account. They can be released by a single winter sport participant above the tree line. This applies especially adjacent to ridgelines and in pass areas. Mostly avalanches are medium-sized. On rocky slopes dry loose snow avalanches are possible as the day progresses. In the event of prolonged bright spells this applies. In addition a latent danger of gliding avalanches exists, in particular on steep sunny slopes below approximately 2600 m, as well as on steep shady slopes below approximately 2400 m. These can reach dangerously large size. Areas with glide cracks are to be avoided as far as possible.

Snowpack Structure

Over a wide area 30 to 60 cm of snow has fallen. New snow is lying on soft layers. In some places new snow is lying on surface hoar. Faceted weak layers exist in the top section of the old snowpack in particular on west, north and east facing slopes. This applies above approximately 2400 m.

Tendency

Backcountry touring and other off-piste activities call for extensive experience in the assessment of avalanche danger and restraint.

Bulletin data: Avalanche Warning Service Tirol, avalanche.report (CC BY 4.0)

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