Boletín de aludes

South Coast Inland

Dec 2 – 3, 2017Avalanche Canada
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Archivado · caducó 9 years ago

Peligro de aludes

Mon
Tue
Alta montaña
2 · Moderado
Límite del bosque
2 · Moderado
Bajo el límite
1 · Débil

Lo esencial

The lure of powder slopes and sunny skies will be strong on Sunday. Take a cautious approach towards more aggressive terrain - especially steep, wind-affected terrain.

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1–2
    Small wind slabs are possible in steep terrain behind ridge lines. On steep slopes, the new snow may not bond well to the underlying crust.

Confidence

Moderate - Due to the number of field observations

Weather Forecast

We'll see a clearing trend on Sunday and fine weather during the week.Sunday: Clearing in the morning and then dry with some sunny breaks. Light northwesterly winds. Freezing levels 800m.Monday: Sunny with cloudy periods. Freezing levels around 600 m. Light northwesterly winds.Tuesday: Mainly sunny and becoming warm up high. Freezing levels rising to 2000 m. Light northerly winds.

Avalanche Summary

Little activity has been reported lately, although there are not many observers out there right now. Small wind slabs are the most likely type of avalanche over the next few days.

Snowpack Summary

Approximately 30-50 cm of new snow now sits on top of a rain crust that formed during the wet weather in late November. The crust is reported to be thick (15 cm) below treeline and thin (2 cm) in the alpine. On Saturday, moderate southeast winds in the south (Coquihalla) were reported, whilst moderate southwest winds were reported in the north (Duffey lake zone). The take home message is that southerly winds have blown snow around in exposed areas creating drifts and scoured areas. Stubborn wind slabs have formed near ridge crests and lee features.Treeline snow depths are approximately 110 cm throughout the region.

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