Boletín de aludes

Jasper

Dec 31, 2012 – Jan 1, 2013Parks Canada
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Archivado · caducó 14 years ago

Peligro de aludes

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

It's a good time to be out in the mountains, enjoy the blue skies and sunshine!

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Unlikely - Possible
    Tamaño
    1–3
    Wind slabs can be found above treeline in exposed terrain. These slabs are generally unreactive to skier traffic, although it is still possible to trigger a slab in steep wind loaded features.

  • Loose Dry

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Likely
    Tamaño
    1–2
    Numerous natural loose dry avalanches were observed in the Columbia Icefield Area today. These slides originated from steep, rocky terrain in the alpine, as well as steep alpine gully features that are in the sun during the heat of the day.

Weather Forecast

High pressure system means sunny days, clear skies, light winds and minimal to zero precipitation for the next few days.  Strong diurnal temperature fluctuations expected in the alpine, with freezing levels creeping up to 1400m for a short period in the afternoon and warmer than seasonal temperatures up high.

Snowpack Summary

Snowpack is faceting and losing strength in shallow areas. Midpack is still generally supportive above treeline, with wind slabs in lee features at upper elevations. New surface hoar is being observed on the surface and is quite widespread below treeline.

Avalanche Summary

Near surface faceting and a clear sunny day produced numerous loose snow avalanches to size 1.5 in the Columbia Icefield Area today. These slides originated from steep, shallow and rocky terrain in the alpine on solar aspects. No new slab avalanches observed on road patrol from Jasper to Sask Crossing (very good visibility).

Confidence

The weather pattern is stable

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