Boletín de aludes

Northwest Inland

Jan 25 – 26, 2013Avalanche Canada
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Archivado · caducó 14 years ago

Peligro de aludes

Sun
Mon
Alta montaña
2 · Moderado
Límite del bosque
2 · Moderado
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 - Likely
    Tamaño
    1–4
    Wind slabs may be found behind terrain breaks such as ridges and ribs.

  • Deep Persistent Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Unlikely - Possible
    Tamaño
    2–6
    A deeply buried weak layer near the base of the snowpack could be triggered by large loads such as a cornice collapse or from a thin-spot trigger point.

Confidence

Poor - Due to limited field observations

Weather Forecast

Saturday: Light W winds, becoming strong NW. Alpine temperature near -7. Very light snow.Sunday: Strong W winds, becoming strong to extreme NW. Alpine temperature near -8. 5-15 cm snow.Monday: Light W wind. Alpine temperature near -14. Very light snow.

Avalanche Summary

No new avalanches have been reported.

Snowpack Summary

New snow is landing on a medley of old surfaces including hard and soft wind slabs, scoured slopes, blue ice and thin melt-freeze crusts. Winds are likely to shift snow into slabs in the lee of terrain breaks such as ridges and ribs. Surface hoar layers buried in the upper snowpack are patchy in their distribution. Recent snowpack tests recently gave generally hard to no results near Smithers. An otherwise strong mid-pack overlies a weak base layer of facets/depth hoar. The snowpack depth is around 100 cm at treeline.

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