Boletín de aludes

South Rockies

Dec 1 – 2, 2013Avalanche Canada
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Archivado · caducó 13 years ago

Peligro de aludes

Tue
Wed
Alta montaña
3 · Notable
Límite del bosque
3 · Notable
Bajo el límite
2 · Moderado
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Lo esencial

New snow and wind are increasing the avalanche danger. New storm slabs are developing that may be easy to trigger from light additional loads like skiers/riders.

Problemas de aludes

  • Storm Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Likely
    Tamaño
    2–4
    New storm slabs are expected to be easy to trigger with light additional loads like skiers/riders. New snow depths may vary greatly by elevation, with deep pockets of wind transported snow in the alpine.

Confidence

Poor - Due to the number of field observations

Weather Forecast

Overnight and Monday: 15-30 cm of snow overnight as the cold arctic air from the North meets the warm moist Pacific air crossing from the West. The South of the region may see more snow than the North. Snow ending by the afternoon, and then cooling temperatures and winds becoming Northeast.Tuesday: Cold and dry with light Northerly winds.Wednesday: Sunny, dry and cold.

Avalanche Summary

The new storm snow is expected to slide easily on the old surface weak layers. Expect easy triggering with light additional loads applied.

Snowpack Summary

Forecast new snow and strong Westerly winds are expected to develop a new storm slab above the existing shallow weak snowpack. The new storm slab may not bond well to the old surface weak layers of crusts, wind slabs, and surface hoar. We expect new storm snow amounts to vary across the region due to the fast moving nature of the system from West to East.

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