Boletín de aludes

Sea To Sky

Dec 26 – 27, 2012Avalanche Canada
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Archivado · caducó 14 years ago

Peligro de aludes

Fri
Sat
Alta montaña
2 · Moderado
Límite del bosque
2 · Moderado
Bajo el límite
1 · Débil
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Lo esencial

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1–4
    New wind slabs may be triggered by the weight of a person on terrain features lee to easterly winds. Old wind slabs are buried in many alpine and open treeline areas.

Confidence

Good

Weather Forecast

Thursday: Overcast with very light precipitation. Light winds. Freezing level near 600 m.Friday: Light SW winds. Freezing level near 600 m. Light snow.Saturday: Mainly dry with light NW winds.

Avalanche Summary

Wind slabs have been triggered naturally, by explosives and by skiers recently, but activity seems to have slowed. Some large cornice chunks have been failing naturally.

Snowpack Summary

New and buried wind slabs may be found in alpine and open treeline terrain. Fragile cornices exist. In sheltered areas below treeline, loose snow is slowly becoming more consolidated. Three surface hoar layers in the upper/mid snowpack appear to be gaining strength. In general, the mid-pack is strong.Near the base of the snowpack, a crust/facet layer has become unlikely to be triggered. However, professionals are still mindful of thin snowpack trigger areas or large loads which could wake it up again, leading to a very large avalanche.

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