Boletín de aludes

Kananaskis

Nov 27 – 28, 2021Avalanche Canada
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Archivado · caducó 5 years ago

Peligro de aludes

Mon
Tue
Alta montaña
4 · Fuerte
Límite del bosque
3 · Notable
Bajo el límite
2 · Moderado
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Lo esencial

Sunday could bring a significant storm with lots of wind. Extensive wind slab development is likely at upper elevations. Avoid avalanche terrain.

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Very Likely - Almost Certain
    Tamaño
    1.5–2.5

    There will be several layers of windslabs on top of each other as this storm plays out. Within these layers there will likely be a weak, reactive layer to watch for.  

Terrain and Travel

  • Approach lee and cross-loaded slopes with caution.
  • Watch for areas of hard wind slab on alpine features.
  • Ice climbers should be equipped with avalanche safety gear.
  • Be carefull with sluffing in steep terrain, especially above cliffs and terrain traps.

Confidence

Moderate -

Weather Forecast

Sunday will see the arrival of a significant storm for the region. Up to 30cm of snow is possible with SW winds peaking at 125 km/h at mountain top. Freezing levels will be near 2000m. Monday could see an additional 15cm of snow with slightly slower wind speeds.

Avalanche Summary

No new avalanche were observed today.

Snowpack Summary

Moderate to strong winds continue to move snow around, especially at higher elevations. Alpine areas and open treeline terrain are heavily wind affected. Wind slabs are prevalent in lee and cross-loaded terrain, and the forecasted storm on Sunday will create fresh wind slabs. Thankfully the midpack and basal layers are uncharacteristically strong and dens for this time of year.

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