Boletín de aludes

Jasper

Mar 16 – 17, 2019Parks Canada
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Archivado · caducó 8 years ago

Peligro de aludes

Mon
Tue
Alta montaña
2 · Moderado
Límite del bosque
3 · Notable
Bajo el límite
3 · Notable
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Lo esencial

Start your back-country adventures early, and end them early! Highway 93N will be closed Sunday at 1500. From Athabasca Falls to Saskatchewan River Crossing for Avalanche Control. Check Alberta 511 for details and updates.

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1–2.5
    Fresh wind slabs sit on a variety of old surfaces. Winds continue to gust moderate from the SW.

  • Loose Wet

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Likely
    Tamaño
    1–2
    Watch out for any sunny, steep features. Expecting good recovery to the surface freeze, overnight Saturday. Progressively rising Hazard over the daytime.

Weather Forecast

A ridge of high pressure is bringing the heat. Sunny with cloudy periods. Alpine temperature: Overnight Saturday, Low: -8, High 4°C.Ridge wind light to 20 km/h. Freezing levels will rise as high as 2200 metres; up to 2800 metres on Monday.

Snowpack Summary

Moist surface snow treeline and below and the alpine is heavily wind effected. Deep snowpack areas are relatively strong through most of the region. Shallow areas are weak, and will morph quickly to moist 'spring like' slab conditions from the surface down. With the persistent basal weakness, this could fail with the full depth of the snowpack.

Avalanche Summary

Several loose wet avalanches on steep, solar, rocky below treeline features and a windslab avalanche in the alpine on a cross-loaded south feature at 2500m. 

Confidence

The weather pattern is stable

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