Boletín de aludes

Lizard-Flathead

Jan 31, 2019Avalanche Canada
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Archivado · caducó 8 years ago

Peligro de aludes

Fri
Sat
Alta montaña
1 · Débil
Límite del bosque
2 · Moderado
Bajo el límite
2 · Moderado
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Lo esencial

Continue to observe for signs of the lingering weak layer buried in our snowpack.

Problemas de aludes

  • Persistent Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1–2
    Around 10 to 40 cm of snow sits above a weak layer of surface hoar and a crust on south aspects. The surface hoar is likely best preserved in shaded and sheltered areas between 1500 m and 1900 m.

Confidence

High -

Weather Forecast

WEDNESDAY NIGHT: Mostly clear skies, freezing level below valley bottom.THURSDAY: Increasing clouds over the day, moderate southwest winds, alpine temperature -3 C, freezing level below valley bottom.FRIDAY: Mostly cloudy with light snowfall, accumulation 5 cm, light to moderate southwest winds, alpine temperature -2 C, freezing level below valley bottom.SATURDAY: Mostly cloudy with light snowfall, accumulation 5 cm, alpine temperature -3 C, freezing level below valley bottom.

Avalanche Summary

A few small pockets of wind slabs were triggered by skiers on Wednesday. Otherwise, no new avalanches were observed on Wednesday or Thursday.

Snowpack Summary

Around 10 cm of wind-affected snow overlies hard wind-consolidated snow in exposed terrain and a melt-freeze crust on southerly aspects. You may be able to find isolated pockets of wind slab in steep alpine terrain features. Beneath this, around 10 to 40 cm of snow overlies a weak layer of feathery surface hoar crystals on shady and sheltered slopes. This layer may be most prominent between 1500 m and 1900 m.The remainder of the snowpack is generally well-settled. Thin snowpack areas, such as in the east of the region, may find weak and sugary faceted grains near the base of the snowpack.

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