Bulletin d’avalanche

Upper Passeier Valley

LWD Südtirol
Voir sur la carte

Danger d’avalanche

Above 2,400 m· Matin
2 · Modéré
Below 2,400 m· Matin
1 · Faible
All elevations· Après-midi
2 · Modéré
Périmé — ce bulletin a expiré 3 years ago. Vous consultez des conditions passées, pas le bulletin en cours.

Points saillants

Wind slabs require caution. As the day progresses wet snow slides are to be expected.

Problèmes avalancheux

  • Wind slab· Matin

    • Above 2,400 m
    Taille
    2

    Stability: poor · Frequency: some

  • Wet snow· Après-midi

    • Below 2,600 m
    Taille
    1

    Stability: very poor · Frequency: some

  • Wind slab· Après-midi

    • Above 2,400 m
    Taille
    2

    Stability: poor · Frequency: some

Avalanche Activity

Wind slabs require caution. As the day progresses wet snow slides are to be expected.

The fresh and somewhat older wind slabs can be released by a single winter sport participant in isolated cases in particular on steep shady slopes. Avalanche prone locations are to be found in particular adjacent to ridgelines and in gullies and bowls. At elevated altitudes and in the regions exposed to heavier precipitation such avalanche prone locations are a little more prevalent. In some cases avalanches are medium-sized. As a consequence of warming during the day and solar radiation mostly small moist snow slides are to be expected below approximately 2600 m. This applies in particular on steep sunny slopes. Individual gliding avalanches are possible, even medium-sized ones. Areas with glide cracks are to be avoided.

Snowpack Structure

The wind slabs are lying on soft layers on shady slopes at high altitudes and in high Alpine regions. Sunshine and high temperatures will give rise as the day progresses to increasing softening of the snowpack over a wide area in particular on steep sunny slopes. These conditions will cause a weakening of the near-surface layers as the day progresses. Towards its base, the snowpack consists of faceted crystals but is hard to trigger. At low and intermediate altitudes only a little snow is lying.

Tendency

Wind slabs require caution. As the day progresses wet snow slides are to be expected.

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

Régions couvertes