Bulletin d’avalanche

Jasper

Feb 22 – 23, 2012Parks Canada
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Archivé · expiré 15 years ago

Danger d’avalanche

Wed
Thu
Alpin
3 · Marqué
Limite forestière
2 · Modéré
Sous la limite
1 · Faible

Points saillants

Strong winds are creating wind slabs at and above treeline. Skier accidently triggers a size 1.5 avalanche. Any new snow will increase the danger.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–2
    Strong westerly winds have created a 10-30cm soft slab. A skier near the Icefields triggered a size 1.5 at treeline and a size 2 natural was observed from the alpine near Maligne Lake.
  • Deep Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely
    Taille
    2–4
    Increase loads with wind or new snow may awaken this instability. Size 2 surface slab avalanches may step down to this layer producing much larger avalanches.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Forecast snowfall amounts are uncertain on Tuesday

Régions couvertes