Boletín de aludes

Jasper

Dec 11 – 12, 2017Parks Canada
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Archivado · caducó 9 years ago

Peligro de aludes

Tue
Wed
Alta montaña
2 · Moderado
Límite del bosque
2 · Moderado
Bajo el límite
1 · Débil
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Lo esencial

Be extra cautious on steep solar aspects during the heat of the day.  Pay attention to signs that upper snowpack is weakening (snowballing, moist or wet snow especially around rocky areas, water running over rocks etc.).

Problemas de aludes

  • Deep Persistent Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    2–3
    Solar triggering is possible on steep south facing slopes.

Weather Forecast

Temperatures will rise through the night on Sunday as the freezing level climbs to 3400m by mid-day on Monday.  Winds will ease to Light Westerly and skies will be clear.  Temperatures and freezing level will drop on Tuesday with similar weather expected on Wednesday.

Snowpack Summary

Melt freeze crust on steep solar aspects treeline and above. There is a well settled snowpack in most locations. A 30 - 70 cm thick slab overlies a crust and bonding appears to be strengthening at this interface. The Halloween Oct 31 crust sits near the bottom of the snowpack from treeline to 2700 m.

Avalanche Summary

No patrol occurred on Sunday. No avalanches reported.

Confidence

on Monday

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