Bulletin d’avalanche

Banff Yoho Kootenay

Apr 1 – 2, 2012Parks Canada
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Archivé · expiré 15 years ago

Danger d’avalanche

Tue
Wed
Alpin
2 · Modéré
Limite forestière
2 · Modéré
Sous la limite
1 · Faible
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Points saillants

Strong SSW winds Monday night, through Tuesday coupled with rising freezing levels to 2000 m on Tuesday will bump the hazard up for Tuesday. Very little snow is exected. Freezing levels will dramatically drop Tues. night. LP

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–2
    Mostly active in the Lake Louise region. Up to 50 new with SW & E wind. We've seen a few rogue windslab avalanches, generally size 2. up to sz 3 in steep cliffy terrain (NW asp) on Mt. Redoubt. This interface should heal quickly.

  • Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely - Possible
    Taille
    2–3
    Feb 14th - now down 60-150 cm. Storm snow woke up this layer in a few areas, see the sz 3 off Pope's pk ski line on our facebook pg or the MCR. Also a skier remote sz 2, from 200 m away, in Pipestone Bowl near LL. It ran from steep rocky terrain.

  • Storm Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–2
    A Mar 28 suncrust is now down approx. 50 cm. We've found easy to hard shears on this layer, pending on location. In Chickedee valley, surface hoar was also observed on the crust. A few sz 2.'s have been observed on alpine SW asp in last 2 days.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Régions couvertes