Boletín de aludes

North Columbia

Nov 29, 2016Avalanche Canada
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Archivado · caducó 10 years ago

Peligro de aludes

Tue
Wed
Alta montaña
2 · Moderado
Límite del bosque
2 · Moderado
Bajo el límite
1 · Débil
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Lo esencial

Recently formed storm slabs may still be reactive to human triggers. Use additional caution in shallow, rocky, or wind affected alpine terrain.

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible - Likely
    Tamaño
    1–3
    Recently formed wind slabs may remain reactive to human triggers for several days.

  • Storm Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible - Likely
    Tamaño
    1–3
    Storm slabs may remain touchy even though the storms have passed, especially at higher elevations and on wind-loaded features.

Confidence

Low - Due to the number of field observations

Weather Forecast

Tuesday: Mix of sun and cloud / light southerly winds / Freezing level around 700m. Wednesday: Possible flurries / Light westerly winds / Freezing level around 1000m. Thursday: Mix of sun and cloud / Light northwesterly winds / Freezing level around 800m.

Avalanche Summary

No new avalanches were reported on Sunday. However, on Saturday, numerous size 1-1.5 skier-triggered avalanches at treeline and several size 2-3 natural avalanches in the alpine were reported.

Snowpack Summary

50-80 cm of snow has fallen in the past week with significant winds in the alpine. This has formed storm and wind slabs that have been very reactive to human triggers. These slabs will likely become less reactive in the coming days but will still require careful slope by slope evaluation. The mid-November crust is now buried 60-120 cm deep. Recent reports suggest the overlying snow is well bonded to this crust. Below the crust the snowpack is generally well settled. Snowpack depths vary greatly throughout the region with an average of 130-200 cm at treeline elevations.

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