Boletín de aludes

Northwest Coastal

Apr 19 – 20, 2018Avalanche Canada
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Archivado · caducó 8 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

Consider the hazard to be HIGH in localized areas that receive more than 25 cm of new snow.

Problemas de aludes

  • Storm Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Likely - Very Likely
    Tamaño
    1–2
    Forecast new snow and strong winds are expected to create touchy storm slabs reactive to human triggers; especially in wind affected terrain.

  • Loose Wet

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Likely
    Tamaño
    1–2
    New snow below treeline may quickly become moist and increase the likelihood of loose wet avalanches.

Confidence

Moderate - Forecast snowfall amounts are uncertain

Weather Forecast

THURSDAY NIGHT: Snow; accumulation 10-25 cm. Strong southwest wind. Freezing level 800 m. FRIDAY: Snow; accumulation 5-15 cm. Strong southwest wind. Alpine temperature -1. Freezing level 1000 m.SATURDAY: Cloudy with flurries; accumulation 3-5 cm. Moderate southwest wind. Alpine temperature -2. Freezing level 800 m. SUNDAY: Cloudy with isolated flurries. Light southwest wind. Alpine temperature 0. Freezing level 1200 m.

Avalanche Summary

No new avalanches were reported in this region on Wednesday. However, I would expect the incoming storm on Thursday night to form fresh storm slabs reactive to human triggers; especially in wind affected terrain at treeline and above.

Snowpack Summary

The incoming snow and strong winds on Thursday night will create touchy storm slabs at treeline and above.In the south of the region, two layers of surface hoar are buried early-March and mid-March are approximately 70-100 cm deep and most prominent on north to east aspects. Further north, these layers are around 40 cm deep.Below these March layers the mid-pack is generally well-settled and strong. However in the far north of the region there are weak sugary facets near the bottom of the snowpack.

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