Bulletin d’avalanche

Kananaskis

Dec 21 – 22, 2013Alberta Parks
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Archivé · expiré 13 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

Human triggering of slabs remains a possibility, especially at higher elevations. The weak basal facets are cause for concern in larger terrain features. Cautious route selection is advised.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–3
    Wind slabs are found in the Alpine and open areas at Treeline. No recent natural avalanches have been associated with this problem, but human triggering is still possible, especially along ridge crests or in steep and unsupported terrain.

  • Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible - Likely
    Taille
    2–4
    Avalanches could step down to the basal October crust (or the ground) and involve the entire winters snowpack, especially in shallow snowpack areas. Some whumpfing has been experienced in recent days.

Confidence

Good

Weather Forecast

Sunday will bring a mix of sun and cloud with alpine temperatures near -11 degrees. Winds will be light from the West. No new snow is expected Sunday and only a trace is forecast for Monday.

Avalanche Summary

No new avalanche activity observed or reported.

Snowpack Summary

Surface growth observed in sheltered areas at lower elevations. Sun crusts are found on steep South aspects. Snowpack is weak and unsupportive at lower elevations. Wind effect Alpine areas.

Régions couvertes