Boletín de aludes

Kananaskis

Feb 10 – 12, 2020Avalanche Canada
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Archivado · caducó 7 years ago

Peligro de aludes

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

Good skiing can be found at treeline and below. Approach the alpine with caution for wind slabs.

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1.5–2.5

    Recent and buried wind slabs(top 50cm of the snowpack) have been found mostly on easterly aspects.

  • Deep Persistent Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Unlikely - Possible
    Tamaño
    2–3.5

    Large triggers are a concern. Cornices, or other avalanches could wake this layer up. 

Confidence

High -

Weather Forecast

Tuesday is forecast to bring a mix of cloud and sun with some light flurries. Temperatures will range from -11c to -7c with strong westerly winds in the alpine. More of the same for Wednesday except the winds will have diminished to light/moderate from the 

west.

Avalanche Summary

No new avalanches were observed.

Snowpack Summary

Wind slabs are mostly noticeable in cross loaded and lee features in the alpine. Sheltered areas at all elevations are still providing good skiing. Overall the midpack feels well settled and solid at treeline and below. The buried wind slabs in the top 50cm in the alpine are still on our radar; it is worth to dig and see how they are reacting. Last week's rain crust is down about 20cm and is easy to find below 1950m. 

Terrain and Travel

  • Approach lee and cross-loaded slopes with caution.
  • Watch for newly formed and reactive wind slabs as you transition into wind affected terrain.

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