Bulletin d’avalanche

Banff Yoho Kootenay

Dec 17 – 18, 2011Parks Canada
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Archivé · expiré 15 years ago

Danger d’avalanche

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

We may receive 10-20cm of snow with the incoming storm Friday night and Saturday. Coupled with strong westerly winds in the alpine, it may not be the weekend for travelling up high if the larger amount of snow falls!

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–2
    There are a few fresh thin wind slabs on immediate lee features in the alpine that can be easily triggered. If we receive the 10-20cm of snow and strong winds that are in the models, the surface slabs will be bigger and pack more consequence.

  • Deep Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely - Possible
    Taille
    2–3
    In many areas the hard wind slab on wind loaded features is bridging the weak facets and depth hoar at the base. There is still a possibility of human triggering a large full depth avalanche on any steep slope.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Régions couvertes