Boletín de aludes

Purcells

Apr 12 – 13, 2016Avalanche Canada
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Archivado · caducó 10 years ago

Peligro de aludes

Thu
Fri
Alta montaña
Sin grado
Límite del bosque
Sin grado
Bajo el límite
Sin grado
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Lo esencial

Spring Conditions. Forecast new snow and wind will bring back that winter feeling in the mountains. Watch for new wind slabs that may not bond to the old hard surface.

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible - Likely
    Tamaño
    1–3
    Forecast new snow and wind may develop new wind slabs in the alpine and at treeline. New wind slabs may not bond well to the old surface crust.

  • Cornices

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Unlikely - Possible
    Tamaño
    2–5
    Forecast cloud, light snow, and cooler temperatures may reduce the likelihood of natural cornice falls.

  • Loose Wet

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1–2
    Forecast cooler temperatures and cloud cover should reduce the likelihood of loose wet avalanches. Lower elevations may be reactive during the heat of the day.

Weather Forecast

Moderate southwest winds overnight with light snow and freezing levels around 1700 metres. Moderate southwest winds on Wednesday with light snow and freezing levels close to 2000 metres. A mix of sun and cloud on Thursday with light northerly winds and freezing levels climbing up to 2200 metres. Mostly clear on Friday with light southerly winds and freezing levels to 2500 metres.

Avalanche Summary

Natural avalanches up to size 3.0 were reported from Sunday in the central Purcells on alpine features with solar exposed aspects. Some glide cracks were also reported releasing up to size 2.5 during the heat of the day.

Snowpack Summary

The snow surface is currently going through a typical spring melt-freeze cycle on all aspects and at all elevations, except possibly high true-north slopes which could be holding onto cold snow. Forecast new snow and wind are expected to develop new windslabs in the alpine and at treeline. Higher elevations may feel more like winter for the next day or two, and new wind slabs may not bond well to the old hard re-frozen surface.

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