Bulletin d’avalanche

Banff Yoho Kootenay

Mar 29 – 30, 2012Parks Canada
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Archivé · expiré 15 years ago

Danger d’avalanche

Fri
Sat
Alpin
2 · Modéré
Limite forestière
2 · Modéré
Sous la limite
2 · Modéré
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Points saillants

Incoming snowfall starting Thurs will elevate the danger rating. Today, 2 skiers remotely triggered a size 2.5 avalanche in the back-country near Lake Louise. This event is a reminder that the current conditions can still produce large avalanches.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–3
    Starting Thurs, we are expecting snowfall amounts of up to 30cm in the alpine by the end of Fri. With associated westerly wind expect to encounter fresh wind slabs in lee areas.

  • Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely - Possible
    Taille
    2–3
    At a test plot West of the divide the Feb 14 Surface hoar is buried 110cm. A deep tap test produced no result on this layer. However, the chance of triggering will increase in thinner areas, and large avalanches are still possible.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Forecast snowfall amounts are uncertain on Friday

Régions couvertes