Bulletin d’avalanche

Banff Yoho Kootenay

Mar 20 – 21, 2012Parks Canada
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Archivé · expiré 15 years ago

Danger d’avalanche

Thu
Fri
Alpin
3 · Marqué
Limite forestière
3 · Marqué
Sous la limite
2 · Modéré
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Points saillants

Despite the lack of widespread avalanches there has been reports of natural or skier triggered avalanches everyday this past week. Most of these avalanches were large and surprised the party involved. Conservative decision making is still required.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible - Likely
    Taille
    1–2
    Isolated wind slabs up to 50cm thick can be still triggered in steeper terrain, especially around ridge crests. See Facebook link below for most recent avalanche activity.

  • Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    2–3
    Down 70-150cm, the Valentines surface hoar is producing harder shears; however, several natural and skier triggered avalanches over the past few days shows that this layer is still a concern.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Régions couvertes