Boletín de aludes

Kootenay Boundary

Dec 30 – 31, 2012Avalanche Canada
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Archivado · caducó 14 years ago

Peligro de aludes

Tue
Wed
Alta montaña
2 · Moderado
Límite del bosque
1 · Débil
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
    Wind slabs may be found behind ridges, ribs and gully walls. In specific thin snowpack areas, it may be possible for a wind slab to trigger a failure on a deeply buried weak layer.

Confidence

Good

Weather Forecast

Monday-Wednesday: Expect benign weather with light winds, alpine temperatures around -5 and no precipitation.

Avalanche Summary

 Small skier-triggered wind slabs and loose snow sluffing have been reported.

Snowpack Summary

Wind slabs may be found behind terrain breaks such as ridges, ribs and gully walls. A generally settled upper snowpack overlies the late November surface hoar, buried down 115-130 cm. Recent test results are inconsistent, but an avalanche failed on this layer in the Rossland Range on Christmas Eve. A deeply buried crust/facet layer near the base of the snowpack is considered dormant. Although unlikely, there is a lingering possibility of triggering a deep avalanche, especially from thin snowpack areas.

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