Lawinenlagebericht

Middle Lys Valley

Regione Valle d'Aosta
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Lawinengefahr

All elevations
3 · Erheblich
Veraltet — dieser Lagebericht ist last year abgelaufen. Du siehst vergangene Verhältnisse, nicht den aktuellen Bericht.

Kernpunkte

30 to 50 cm of snow will fall until Sunday above approximately 2300 m. As a consequence of new snow and wind more natural avalanches are possible.

Lawinenprobleme

  • New snow

    • Above 2,200 m
    Größe
    3

    Stability: very poor · Frequency: some

  • Wind slab

    • Above 2,300 m
    Größe
    2

    Stability: poor · Frequency: some

  • Wet snow

    • Below 2,500 m
    Größe
    2

    Stability: very poor · Frequency: some

Snowpack Structure

150 to 180 cm of snow has fallen since Tuesday above approximately 2500 m. Since Wednesday numerous very large avalanches occurred naturally, including ones originating in moderately steep terrain. Sunday: Especially high Alpine regions: In particular in the southeast up to 50 cm of snow will fall in the next few hours above approximately 2300 m. As a consequence of the southeasterly wind the wind slabs will increase in size additionally during the night. Towards its surface, the snowpack is moist and its surface has a crust that is strong in many cases. Below approximately 2000 m a little snow is lying.

Tendency

As a consequence of warming during the day and solar radiation more dry and moist avalanches are possible as the day progresses, even large ones in isolated cases.

Avalanche Activity

30 to 50 cm of snow will fall until Sunday above approximately 2300 m. As a consequence of new snow and wind more natural avalanches are possible.

The current avalanche situation calls for experience in the assessment of avalanche danger and careful route selection. The new snow of the last few days can be released by a single winter sport participant in particular on shady slopes. In starting zones where no previous releases have taken place more occasionally large dry and moist avalanches are possible, especially above approximately 2500 m. In particular on shady slopes the avalanches can be triggered in deep layers of the snowpack. Adjacent to ridgelines and in pass areas the wind slabs will increase in size additionally. In the regions exposed to heavier precipitation this applies in particular. These can in some cases be released easily. These weather conditions as the day progresses will give rise to moistening of the snowpack below approximately 2500 m. Moist avalanches can in some places be released in the weakly bonded old snow. This applies in particular on very steep slopes.

Bulletin data: Regione Autonoma Valle d'Aosta (via EAWS / avalanche.report)

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