Bulletin d’avalanche

Jasper

Dec 3 – 4, 2011Parks Canada
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Archivé · expiré 15 years ago

Danger d’avalanche

Sat
Sun
Alpin
3 · Marqué
Limite forestière
3 · Marqué
Sous la limite
2 · Modéré
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Points saillants

Highway 93 N open as of 16:00 on Friday. Avalanche control produced several deep slab avalanches today.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible - Likely
    Taille
    1–3
    Steep cross loaded or lee slopes are likely slab trigger zones. In the alpine the snowpack depth is highly variable. At tree line travel is good and the snowpack supportive.

  • Deep Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Likely
    Taille
    2–3
    Avalanche control produced several large ground releases today. Recent winds have overloaded this layer.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Due to the number and quality of field observations on Friday

Régions couvertes