Bulletin d’avalanche

Jasper

Dec 4 – 5, 2014Parks Canada
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Archivé · expiré 12 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

Problèmes avalancheux

  • Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–2
    Storm snow has evolved into a persistent slab mainly around  treeline. 

  • Loose Dry

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–2
    Dry loose snow avalanches are still possible in steep rocky and unsupported terrain.  Solar triggering is likely with forecasted sunny skies.

Weather Forecast

Gradual warming trend will continue with light winds and no precipitation for Thursday.  Light precipitation and cloudy skies are forecast starting on Friday and into the weekend.

Snowpack Summary

Significant settlement in past few days. The main weakness is a sandwich of crusts and facets at the mid to lower snowpack.

Avalanche Summary

Over the past few days, several 1.5 to 2 thin slab avalanches on southerly aspects around treeline have been reported in the Maligne area.

Confidence

Due to the number of field observations on Thursday

Régions couvertes