Boletín de aludes

Jasper

Jan 8 – 9, 2018Parks 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

Incoming new snow will improve the skiing somewhat, hopefully without overloading the weak interfaces left in the wake of the December drought.

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1–3
    Several layers of wind slab exist from multiple wind events - reactivity may vary from site to site.

  • Loose Dry

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1–2
    Main concern is for weak, unconsolidated snow on steep rocky features as well as areas in the alpine where a small sluff can build mass.

Weather Forecast

Returning to a more normal thermal structure, milder air in the valleys and colder air aloft. A Westerly flow aloft will bring a series of Pacific weather systems through our area for the next few days.Monday: Flurries. Accumulation: 5-10 cm. Alpine temperature: Low -8 °C, High -4 °C. Ridge wind Light SW. Freezing level: 1500 metres.

Snowpack Summary

Exposed areas have pockets of wind slab covering variable drought interfaces - facets, surface hoar, sun and wind crusts. The upper snowpack is facetted and sugary in sheltered areas. The mid snowpack is generally supportive. Two buried crusts, one mid snowpack and one near the base, have the potential to become reactive with future loading.

Avalanche Summary

No new avalanches observed or reported.

Confidence

Forecast snowfall amounts are uncertain

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