Boletín de aludes

Kananaskis

Dec 21 – 23, 2023Avalanche Canada
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Archivado · caducó 3 years ago

Peligro de aludes

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

Lo esencial

Some snow and strong winds will create new wind slabs. Approach avalanche terrain with caution.

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1–1.5

    Wind slabs/ old windslabs are present in almost all lee and cross-loaded features.

  • Persistent Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1.5–3

    Be mindful of the weak layers towards the base of the snowpack. Thin rocky areas may propagate out to thicker areas.

Confidence

Moderate

Avalanche Summary

Nothing to report.

Snowpack Summary

Summary of the snowpack:

2100m: The height of snow is around 45cm and has a prominent crust halfway up the snowpack and produced easy test results on the compression test(CTV). The lower half of the snowpack consisted mostly of facets and was very weak.

2250m: The height of snow was around 90cm and felt generally stable. The December rain crust was prominent and found just above the mid mark of the pack and was welded in place.

The warmer temperatures this Fall are keeping the temperature gradient small in the snowpack and is having a positive effect on it over the long term. But this still does not change the fact that we need more snow:)

The stronger winds and up to 10cm of snow on Friday has the potential to create new wind slabs at treeline and above. Be alert to changing conditions.

Weather Summary

Friday will bring flurries and 5-10cm of snow. The alpine high will be -3c with strong SW winds. Be alert of changing conditions at tree line and above.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Wind slabs are most reactive during their formation.
  • Approach lee and cross-loaded slopes with caution.
  • Avoid rock outcroppings, convexities, and anywhere the snowpack is thin and/or variable.

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