Boletín de aludes

Jasper

Dec 25 – 26, 2011Parks Canada
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Archivado · caducó 15 years ago

Peligro de aludes

Sun
Mon
Alta montaña
3 · Notable
Límite del bosque
2 · Moderado
Bajo el límite
2 · Moderado
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Lo esencial

Freezing level to hover around 1500m until Sunday afternoon with possible 10-15cm and strong winds as the front passes followed by colder temperatures. Winds were clocked up to 110km/hr at the Icefields now gusting 50-60km/hr. Can you say sustrugi.

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1–3
    110km/hr winds have wind-hammered the alpine at the icefields. Boilerplate windslabs, sustrugi, and loaded lee slopes will be encountered. Wind direction is variable but mainly slabs will be present on easterly aspects. Avoid slabby feeling slopes.

  • Deep Persistent Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Unlikely - Possible
    Tamaño
    2–3
    Basal facet collapses are still possible and should remain a real concern as consequences would be huge if triggered. Shallow snowpack areas and rocky outcrops are trigger locations.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

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

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