Boletín de aludes

South Coast

Jan 9 – 10, 2015Avalanche Canada
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Archivado · caducó 12 years ago

Peligro de aludes

Sun
Mon
Alta montaña
2 · Moderado
Límite del bosque
1 · Débil
Bajo el límite
1 · Débil
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Lo esencial

Very light snowfall is expected for the weekend. If more significant accumulations develop, wind slabs should be on you radar at higher elevations.

Problemas de aludes

  • Persistent Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Unlikely
    Tamaño
    2–5
    With forecast cooling and surface crust development, persistent slab avalanches will become much less likely to trigger. If there is no surface crust, persistent weaknesses may be more sensitive to triggering, especially in the north of the region.

Confidence

Good

Weather Forecast

A weak push of Pacific moisture will come on-shore Friday evening bringing very light snowfall for Saturday and Sunday. Freezing levels for the weekend are expected to hover around 1000m. On Monday, a dry ridge of high pressure is forecast to rebuild with mainly clear skies and rising freezing levels. Winds are expected to remain mainly light for the entire forecast period.

Avalanche Summary

No recent avalanches have been reported.

Snowpack Summary

A thick supportive surface crust is capping the snowpack. Below the crust is the recent storm snow which is around 50-70cm deep and sits on a previously variable snow surface that included wind affected surfaces, a freezing rain crust or sun crust, and/or surface hoar or sugary facets in sheltered terrain. In the middle of the snowpack you might find the mid-December surface hoar or crust/facet weak layers. These are now typically buried 1m or more. The old surface hoar layer may be found in sheltered shady areas at and below treeline, while the slightly deeper crust/facet layer is expected to be more widespread but also more variable.

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