Bulletin d’avalanche

Jasper

Dec 28 – 29, 2014Parks Canada
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Archivé · expiré 12 years ago

Danger d’avalanche

Sun
Mon
Alpin
2 · Modéré
Limite forestière
2 · Modéré
Sous la limite
1 · Faible
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Points saillants

Typical Rockies snowpack with better than typical travel and good turns in north and east TL aspects.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely - Possible
    Taille
    1–2
    Northerly winds reverse loading cross-loaded gulley features. Previous wind slab from SW winds appear to be well bonded to snow below.

  • Deep Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–3
    This weak layer exists below a strong mid-pack at treeline and sub-alpine elevations. Large loads such as surface slides or cornice collapse could trigger this deep persistent weakness.

Weather Forecast

Cold with only a light teasing of new snow expected to fall in the southern forecast area.

Snowpack Summary

Consistent winds, just at transport speeds are forming minor new wind slabs by reverse loading S-SE aspects and are most visible in cross-loaded gully features in the southern forecast area. Shallow low density upper snowpack over a strong mid-pack sitting on a weaker facet base. Typical Rockies snowpack we've learned to love! Enjoy!

Avalanche Summary

No new avalanche activity reported in forecast area

Confidence

Régions couvertes