Boletín de aludes

Jasper

Dec 10 – 11, 2015Parks Canada
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Archivado · caducó 11 years ago

Peligro de aludes

Thu
Fri
Alta montaña
4 · Fuerte
Límite del bosque
3 · Notable
Bajo el límite
2 · Moderado
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Lo esencial

Great skiing in sheltered locations at treeline. The bonding of the new storm snow is under investigation right now - keep an eye out for recent natural avalanche activity.

Problemas de aludes

  • Loose Dry

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1–3
    Recent storm snow plastered to steep rocky terrain will want to shed, particularly on solar aspects below 1500m.

  • Storm Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1–3
    Recent snowfall has been a great addition to the snowpack, and should help set the stage for the winter. The bonding of this new snow at the Dec 3 interface down 60cm is the condition to monitor right now.

Weather Forecast

Snowfall amounts are tapering off, with only 5-10cm expected over the next 72hours in light scattered flurries. Temperatures are cooling as well, -15C overnight and freezing levels staying below 1200m. Winds shifting to the South on Thursday, then returning to a light Westerly flow by the weekend.

Snowpack Summary

60cm of storm snow in the past week sits on a variety of surfaces, ranging from a crust on steep solar aspects to the Dec3 surface hoar layer in isolated locations. This storm snow snow came in warm, is settling rapidly, and is forming a new slab condition, particularly in wind exposed areas.

Avalanche Summary

Poor visibility during this storm. No new avalanches observed, but natural activity is expected in the alpine. Expect shedding of loose snow from steep rocky terrain.

Confidence

Due to the number of field observations

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