Bulletin d’avalanche

Banff Yoho Kootenay

Apr 13, 2012Parks Canada
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Archivé · expiré 14 years ago

Danger d’avalanche

Sat
Sun
Alpin
3 · Marqué
Limite forestière
3 · Marqué
Sous la limite
4 · Fort

Points saillants

Rain in the lower elevations and snow above 2000 meters today and overnight tonight will some dangerous avalanche conditions. Wait for the freezing levels to drop and stay off isothermal slopes. JBW

Problèmes avalancheux

  • Storm Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Likely
    Taille
    1–3
    New snow with the storm will be resting on a variety of old surfaces including crusts and facets. Careful route selection is advised until the new snow bonds and settles.
  • Wet Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Likely
    Taille
    1–4
    Rain saturated surface snow and a poor overnight freeze is creating highly unstable snow below 2000m. Widespread avalanches have been observed. This condition will improve when freezing levels drop to the surface on Saturday.
  • Deep Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible - Likely
    Taille
    1–4
    New snow and melting has caused some deep slab releases to ground. Some of these are very large and likely not survivable if you were caught. Steep, unsupported and rocky areas with shallow snowpack should be avoided.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Freezing levels are uncertain on Saturday

Régions couvertes