Bulletin d’avalanche

Jasper

Dec 30 – 31, 2011Parks Canada
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Archivé · expiré 15 years ago

Danger d’avalanche

Fri
Sat
Alpin
3 · Marqué
Limite forestière
3 · Marqué
Sous la limite
2 · Modéré
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Points saillants

Snow will continue on Friday. Expect slab conditions on lee aspects from moderate southwest winds.

Problèmes avalancheux

  • Storm Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Likely
    Taille
    1–3
    Up to 40 cm of storm snow has fallen since Tuesday. This snow is developing slabs that will become more touchy as wind and settlement occurs.

  • Deep Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely - Possible
    Taille
    2–4
    Heavy loads (large explosives) were able to trigger this layer proving the hidden danger of this weakness. Full path avalanches are possible. Likely triggers will be from shallow areas.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Forecast snowfall amounts are uncertain on Friday

Régions couvertes