Bulletin d’avalanche

Jasper

Nov 26 – 27, 2011Parks Canada
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Archivé · expiré 15 years ago

Danger d’avalanche

Sat
Sun
Alpin
4 · Fort
Limite forestière
4 · Fort
Sous la limite
3 · Marqué
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Points saillants

Unusually dangerous early season avalanche conditions are widespread at all elevations in many places in Jasper - use extreme caution if traveling in the mountains this weekend.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    2–4
    The recent storm snow sits on previous wind slabs on lee features and has the potential to produce large avalanches if triggered.

  • Storm Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Very Likely
    Taille
    1–3
    Gusty and variable winds have formed storm slabs on all aspects at upper elevations, especially in exposed areas. A widespread natural cycle was observed on Thursday, and explosive control work produced numerous avalanches to size 2.5.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Régions couvertes