Bulletin d’avalanche

Jasper

Nov 22 – 23, 2011Parks Canada
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Archivé · expiré 15 years ago

Danger d’avalanche

Tue
Wed
Alpin
4 · Fort
Limite forestière
4 · Fort
Sous la limite
2 · Modéré
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Points saillants

The avalanche danger has increased to HIGH with up to 35 cm of snow expected in the next 24 hours.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Likely
    Taille
    1–3
    SW winds continued to build slab thickness. Natural activity is expected especially on steeper terrain.These slab may have developed further down slope from ridgelines.

  • Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Likely
    Taille
    1–3
    Warm temperatures and heavy snow may increase the possibility of natural avalanches on the weak basal facets below these slabs.

  • Storm Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Very Likely
    Taille
    2–4
    A warm wet weather system will arrive Monday night with strong south to southwest winds and up to 35 cm of snow forecast in the Icefield Area (lesser amounts are expected further north in the forecast area)

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Timing, track, or intensity of incoming weather system is uncertain on Tuesday

Régions couvertes