Boletín de aludes

Sea To Sky

Jan 27 – 28, 2012Avalanche Canada
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Archivado · caducó 15 years ago

Peligro de aludes

Sun
Mon
Alta montaña
2 · Moderado
Límite del bosque
2 · Moderado
Bajo el límite
1 · Débil
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Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible - Likely
    Tamaño
    1–4
    Heavy snowfall amounts and strong winds have set up new wind slabs. They may be found in unsuspecting places lower on the slope.

  • Cornices

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Likely
    Tamaño
    1–6
    Strong winds and new snow have added mass to sensitive cornices. They may be destructive by themselves, and may also be a trigger for the slope below.

  • Storm Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1–5
    Heavy amounts of storm snow have fallen on a variety of old surfaces. A deeper release is decreasing in probability, but would have a high consequence

Confidence

Fair - Intensity of incoming weather is uncertain on Sunday

Weather Forecast

Saturday: very light snowfall with moderate amounts by the evening / moderate southwest winds with strong gusts / freezing level rising from 500m to 900m throughout the day Sunday: moderate snowfall / strong southwest winds / freezing level rising to 1200m Monday: light snowfall / moderate southwesterly winds / freezing level at 800m

Avalanche Summary

No new avalanche activity has been reported from the region.

Snowpack Summary

Mother nature pummeled the Sea to Sky region throughout the week. Over 115cms of snow that fell since last weekend has now settled to about 80cm. Recent southwest winds have consistently hovered in the strong to extreme category and wind drifts have been reported up to 3 metres high. The recent storm snow is resting on a variety of older snow surfaces. These surfaces include previous cold, dry low density snow which may have had seen some faceting, old wind slabs, and crusts. These interfaces have most likely gained considerable strength, but it is reasonable to believe that any avalanche activity could step down to any of these interfaces.Previous concerns about deeper persistent weak layers appear to have diminished.Snowpack depths at treeline are in the region of 260 cm.

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