Bulletin d’avalanche

South Rockies

Feb 27 – 28, 2013Avalanche Canada
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Archivé · expiré 14 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

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible - Likely
    Taille
    1–4
    Recent winds have created slabs in the lee of terrain features.

  • Cornices

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible - Likely
    Taille
    1–4

Confidence

Poor - Timing, track, or intensity of incoming weather is uncertain on Friday

Weather Forecast

Synopsis: The precipitation associated with a Pineapple Express weather system approaching the province Thursday and Friday is not forecast to affect the region. However, the associated warm temperatures will. Thursday: Little to no precipitation, winds moderate from the west and alpine temperatures of -2. Freezing level rising to 1600m.Friday: Light snow, strong westerly winds and alpine temperatures -4. Freezing level to 2000m.Saturday: Light snow, Light southwest winds, and freezing level of 1800m.

Avalanche Summary

Recent reports indicate natural and skier triggered loose snow avalanches to size 1 at tree line and in the alpine.

Snowpack Summary

Up to 30 cm of recent storm snow sits above old surfaces including loose dry snow, old wind slabs and sun crusts. This recent snow has been shifted onto lee slopes by strong SW to NW winds. New storm slabs, cornices and wind slabs are likely. Mid and lower snowpack layers are generally well settled and stable.

Régions couvertes