Bulletin d’avalanche

Jasper

Dec 31, 2011 – Jan 1, 2012Parks Canada
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Archivé · expiré 15 years ago

Danger d’avalanche

Sat
Sun
Alpin
3 · Marqué
Limite forestière
3 · Marqué
Sous la limite
2 · Modéré

Points saillants

50 cm of storm snow is waiting for skiers on sheltered slopes. Don't be lured out on to steeper slopes until this snow has had a chance to bond with the snowpack below it.

Problèmes avalancheux

  • Storm Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Likely
    Taille
    1–3
    Up to 50 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

Due to the number and quality of field observations on Saturday

Régions couvertes