Boletín de aludes

Coquihalla

Jan 19 – 20, 2023Avalanche Canada
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Archivado · caducó 4 years ago

Peligro de aludes

Sat
Sun
Alta montaña
1 · Débil
Límite del bosque
1 · Débil
Bajo el límite
1 · Débil

Lo esencial

As you transition into wind-affected watch for pockets deeper cohesive wind slab that may remain reactive to human triggering.

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Unlikely - Possible
    Tamaño
    1–2

    At higher elevations where the snow remains dry, southerly winds redistributed new snow into alpine lees. Wind slabs may be lingering.

Confidence

High

Avalanche Summary

No reports of recent avalanche activity.

Please continue to share any observations or photos on the Mountain Information Network.

Snowpack Summary

Surface: Lingering isolated wind slabs above 2000 m where snow remains dry. At treeline and below (2000 m and lower) the snowpack has a frozen surface crust.

Mid- and Lower-snowpack: Below the most recent snow the layers are well-settled. There may be some weaker layers but it seems thick frozen crusts are effectively capping them.

Snowpack depths are roughly 150 cm cm at treeline and tapers rapidly below 1500 m. This is about 60% of an average year.

Weather Summary

Wednesday Night: Trace of new snow. Clearing. Cooling with alpine temps around -5 to -10 C. Light westerly wind.

Thursday: Dry. Mix of sun and cloud. Alpine temps steady around -5 to -10 C. Light westerly wind.

Friday

Dry. Mix of sun and clouds. Alpine temps around -5 C. Light westerly winds.

Saturday

Incoming weather looks like it'll bring around 5 to maybe 10 cm of snow, moderate to strong southwest winds, and alpine temperatures around -5 C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for wind-loaded pockets especially around ridgecrest and in extreme terrain.
  • The best and safest riding will be on slopes that have soft snow without any slab properties.
  • Use caution above cliffs and terrain traps where even small avalanches may have severe consequences.

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