Bulletin d’avalanche

Jasper

Jan 6 – 7, 2012Parks Canada
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Archivé · expiré 15 years ago

Danger d’avalanche

Fri
Sat
Alpin
4 · Fort
Limite forestière
3 · Marqué
Sous la limite
2 · Modéré
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Points saillants

Up to 45 cm has fallen since Jan 1st with 35cm since yesterday. Winds were strong accompanying this storm. Give the new snow a couple of days to settle. Maligne lk rd and Icefields parkway are still closed and further avalanche control to occur.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–3
    Windslabs present in all sheltered lee features, evaluate local wind effect.

  • Storm Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible - Likely
    Taille
    2–3
    45cm since Jan 1st with 35cm since yesterday. Initially rain below 1500 m. Moderate SW winds at ridgetops promoting slab development.

  • Deep Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely - Possible
    Taille
    2–4
    Cornices are large and precarious right now from winds and warm temperatures. Midpack strength is bridging this layer but the potential still exists if triggered, consequences would be severe.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Wind effect is extremely variable

Régions couvertes