Boletín de aludes

Lizard-Flathead

Mar 9, 2018Avalanche Canada
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Archivado · caducó 9 years ago

Peligro de aludes

Sat
Sun
Alta montaña
3 · Notable
Límite del bosque
3 · Notable
Bajo el límite
3 · Notable
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Lo esencial

Fresh storm slabs are expected to be reactive to human triggers on Friday, especially in wind-affected terrain.

Problemas de aludes

  • Storm Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Likely
    Tamaño
    1–2
    Fresh storm slabs are expected to be reactive to human triggers on Friday.

Confidence

Moderate - Forecast snowfall amounts are uncertain

Weather Forecast

THURSDAY NIGHT: 10-15 cm new snow / Strong southwesterly ridgetop winds / Freezing level around 1500 m.FRIDAY: 5-15 cm of new snow / Strong southwesterly ridgetop winds / Freezing level around 1500 m.SATURDAY: Mostly sunny / Light southwesterly ridgetop winds / Freezing level rising to around 1800 m.SUNDAY: Mostly sunny / Light southwesterly ridgetop winds / Freezing level rising to around 2000 m.

Avalanche Summary

Explosive control work near Fernie on Wednesday produced small slab avalanches up to size 1.5. Failing cornices also triggered size 2 slab avalanches on northerly aspects. Thursday's storm is expected to create touchy storm slabs reactive to human triggers.

Snowpack Summary

10-15 cm of new snow on Thursday is sitting on a sun crust on solar aspects.In the upper to mid snowpack, a surface hoar layer buried mid-February is now 80 to 100 cm below the surface on sheltered northerly aspects. Deeper in the snowpack, the widespread mid-December and late November weak layers are composed of a combination of crusts and sugary facets which are down 200-300 cm.

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