Boletín de aludes

Kootenay Boundary

Dec 17 – 18, 2015Avalanche Canada
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Archivado · caducó 11 years ago

Peligro de aludes

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

Avalanche danger will rise through the day. Be cautions in sheltered areas below tree-line where pockets of recently buried surface hoar may be found.

Problemas de aludes

  • Storm Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1–3
    Watch for the development of soft slabs especially in lee features. The new snow may be falling on a layer of surface hoar in sheltered areas bellow tree-line resulting in surprisingly touchy conditions.

Confidence

Moderate

Weather Forecast

FRIDAY: Between 10 and 20cm of new snow accompanied by moderate to strong southwest winds, freezing level at the valley floor. SATURDAY: light snowfall expected mainly west of Nelson, light southwest winds, -7 at tree-line. SUNDAY: Up to 10cm concentrated around Kootenay pass, light to moderate westerly winds, -10 at tree-line.

Avalanche Summary

Ski cuts have been able to produce size small wind slab avalanche in alpine lee features.

Snowpack Summary

Reports indicate that up to 10cm of new snow now cover a new layer of surface hoar that can be founding on all aspects in protected areas. Recent winds have been highly variable and may have formed fresh wind slabs on both north and south aspects. A crust can be found in the upper meter of the snowpack as high as 2400m. At tree-line elevation this crust is thick and supportive, and should be capping any deeper weaknesses.

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