Bulletin d’avalanche

Jasper

Jan 25 – 26, 2016Parks Canada
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Archivé · expiré 11 years ago

Danger d’avalanche

Mon
Tue
Alpin
3 · Marqué
Limite forestière
2 · Modéré
Sous la limite
1 · Faible
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Points saillants

A widespread weak faceted base is the root of all concern. Be very cautious in all steep terrain for slab and loose snow avalanches.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible - Likely
    Taille
    1–3
    A SW wind event produced touchy wind slabs in lee and cross-loaded terrain at tree line and above.

  • Loose Dry

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible - Likely
    Taille
    1–2
    Loose dry avalanches should be expected in steep terrain, and may entrain significant amounts of snow in gully features.

Weather Forecast

Clear warm conditions with light winds expected until Tuesday night then there is the potential for some snow (up to 10 cm) with moderate SW winds.  (Don't hold your breath)

Snowpack Summary

SW (M-S) winds have built slab on top of a weak faceted snowpack on exposed tree line and alpine features. Mid-pack starting to loose strength.  Very weak faceted snowpack below tree line.

Avalanche Summary

A couple of sz 2.5 slab avalanches in the alpine (a cornice and natural) on south and NE aspects south of the Icefields along the Parkway observed on Saturday.

Confidence

The weather pattern is stable on Monday

Régions couvertes