Bulletin d’avalanche

Jasper

Jan 5 – 6, 2012Parks Canada
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Archivé · expiré 15 years ago

Danger d’avalanche

Thu
Fri
Alpin
4 · Fort
Limite forestière
3 · Marqué
Sous la limite
3 · Marqué

Points saillants

Maligne Road and Icefields Parkway closed. Avalanche control operations will take place throughout the day on January 5 along the Parkway. Highway should open Thursday PM.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–3
    Windslabs present in all sheltered lee features, evaluate local wind effect.
  • Storm Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible - Likely
    Taille
    2–3
    Intense snow and rain below 1500 m.
  • Deep Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely - Possible
    Taille
    2–4
    On Sunday, a large cornice failure on Kitchener ridge triggered a size 3 avalanche that ran 800m on moderate angle terrain. Cornices are large and precarious right now from winds and warm temperatures.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Wind effect is extremely variable on Wednesday

Régions couvertes