Boletín de aludes

South Coast Inland

Apr 5 – 6, 2018Avalanche Canada
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Archivado · caducó 8 years ago

Peligro de aludes

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

Avalanche activity is possible on steep solar aspects if the sun peeks out.

Problemas de aludes

  • Cornices

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1–3
    Cornices are large and fragile in the north of the region: Give them a wide berth and a lot of respect.

  • Persistent Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1–2
    Persistent slabs are most likely to be triggered with a large load like cornice fall; or by a person in a thin or variable-depth snowpack spot.

  • Storm Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1–2.5
    Recent snow and wind have formed slabs which could be triggered with the weight of a person.

Confidence

Moderate - Intensity of incoming weather systems is uncertain on Saturday

Weather Forecast

FRIDAY: Light snow. Light to moderate southerly winds. Freezing level near 1800 m.SATURDAY: Light snow. Light winds. Freezing level near 1900 m.SUNDAY: Light snow. Light winds. Freezing level near 1600 m.Click here for more information in the Mountain Weather Forecast.

Avalanche Summary

A few sun-triggered avalanches to size 2 were reported on Wednesday. These included a size 2 loose wet avalanche and a skier-triggered wet slab. Storm slabs or cornice fall could potentially step down to a buried weak layer, creating a surprisingly large avalanche.

Snowpack Summary

Recent snow and moderate winds may have created touchy slabs in specific terrain. Cornices are reported to be large and fragile. New snow overlies various old surfaces including melt freeze crusts on sunny aspects, scoured old hard wind slabs and dry snow.A weak layer consisting of surface hoar, facets or a sun crust buried in late March is now down about 60-80 cm. This is patchy in its distribution, but is mostly likely to be problematic on shady aspects between 1900m and 2250m. The mid and lower snowpack are strong and well settled.

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