Bulletin d’avalanche

Jasper

Jan 5 – 6, 2015Parks Canada
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Archivé · expiré 12 years ago

Danger d’avalanche

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

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–2
    Light to moderate variable winds are producing soft slabs on sheltered slopes and cross loaded features.

  • Deep Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely - Possible
    Taille
    1–2
    This weak layer exists below a strong mid-pack at treeline and sub-alpine elevations. Large loads such as a cornice collapse or surface slides could still possibly trigger this deep persistent weakness.

Weather Forecast

Arctic blast is starting to abate with a return to more moderate temperatures and snow showers throughout the week.

Snowpack Summary

Mid pack carrying well for skiing. Exposed alpine features scoured of snow. Ice becoming very brittle in these arctic conditions.

Avalanche Summary

The debris of a size one slab avalanche observed in the Winston Churchill Range which ran on a steep west facing aspect in the last 24 hours.

Confidence

Intensity of incoming weather systems is uncertain on Monday

Régions couvertes