Bulletin d’avalanche

Jasper

Feb 3 – 4, 2012Parks Canada
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Archivé · expiré 15 years ago

Danger d’avalanche

Fri
Sat
Alpin
3 · Marqué
Limite forestière
2 · Modéré
Sous la limite
1 · Faible
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Points saillants

Heads up to ice climbers: Friday PM is expected to have a dramatic spike of freezing levels to above 2600m; West and Southwest exposed climbs would be threatened by this rapid warming, especially combined with expected strong solar radiation.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely - Possible
    Taille
    1–2
    Moderate winds and warm temperatures have formed hard slabs in all wind-exposed areas.

  • Deep Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely - Possible
    Taille
    2–3
    Large triggers like a cornice failure could initiate a slide in this weak layer at the base of the snowpack. Shallow snowpack areas near exposed rocks are another potential trigger site.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Freezing levels are uncertain on Friday

Régions couvertes