Bulletin d’avalanche

Jasper

Mar 17 – 18, 2012Parks Canada
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Archivé · expiré 15 years ago

Danger d’avalanche

Mon
Tue
Alpin
3 · Marqué
Limite forestière
3 · Marqué
Sous la limite
2 · Modéré
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Points saillants

Conditions are improving but large, unsupported slopes should be carefully evaluated before you commit.

Problèmes avalancheux

  • Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    2–4
    The buried surface hoar layer remains a concern. While natural activity is reduced slopes that did not slide during early March should be treated with extra caution.

  • Storm Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible - Likely
    Taille
    1–3
    Variable winds in alpine areas continue to form slabs on lee aspects. We've seen 70+cm of new snow since March 12th. Triggering the storm slab has the potential to step down to deeper instabilities.

  • Loose Wet

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–2
    As the spring season arrives even short periods of direct sun can have dramatic effect on the snow stability on solar aspects. Watch for increased loose snow avalanche activity during the heat of the day.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Timing or intensity of solar radiation is uncertain

Régions couvertes