Bulletin d’avalanche

Dolomites of Fiemme North

LWD Südtirol
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Danger d’avalanche

Above treeline
3 · Marqué
Below treeline
1 · Faible
Périmé — ce bulletin a expiré 6 months ago. Vous consultez des conditions passées, pas le bulletin en cours.

Points saillants

Fresh wind slabs are to be evaluated critically. Weak layers in the old snowpack can be released in isolated cases.

Problèmes avalancheux

  • Persistent weak layers

    • Above treeline
    Taille
    2

    Stability: very poor · Frequency: some

  • Wind slab

    • Above treeline
    Taille
    2

    Stability: very poor · Frequency: some

  • Wet snow

    • Below 1,800 m
    Taille
    1

    Stability: very poor · Frequency: few

Avalanche Activity

Fresh wind slabs are to be evaluated critically. Weak layers in the old snowpack can be released in isolated cases.

Weak layers in the old snowpack can be released in isolated cases by individual winter sport participants especially in little used terrain. Caution is to be exercised in particular on steep west, north and east facing slopes above the tree line. The avalanche prone locations are difficult to recognise. Mostly avalanches are medium-sized. In addition the wind slabs in gullies and bowls, and behind abrupt changes in the terrain are prone to triggering in some cases still. Such avalanche prone locations are to be found on north, east and southeast facing slopes above the tree line. Restraint is advisable.

Snowpack Structure

Some snow fell on Saturday. The wind will be strong to storm force in some localities. The sometimes storm force wind will transport the new snow. Sometimes avalanche prone wind slabs will form. The snowpack will be in some cases prone to triggering. The new snow and wind slabs are lying on top of a weakly bonded old snowpack. This applies in particular on west, north and east facing slopes above the tree line. The weather conditions as the day progresses will give rise to moistening of the snowpack.

Tendency

Weak layers in the old snowpack represent the main danger.

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

Régions couvertes