Boletín de aludes

Jasper

Apr 21 – 22, 2015Parks Canada
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Archivado · caducó 11 years ago

Peligro de aludes

Thu
Fri
Alta montaña
Sin grado
Límite del bosque
Sin grado
Bajo el límite
Sin grado
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Lo esencial

Heads up-we have entered Spring Conditions. Conditions can change dramatically throughout the day.Start EARLY and finish EARLY!

Problemas de aludes

  • Cornices

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1–3
    Cornices are large and can collapse anytime. Stay well back from the edge while traveling along ridge lines. Pay attention to what is above and avoid cornice exposed slopes.

  • Loose Wet

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible - Likely
    Tamaño
    1–3
    As temperatures warm up so does the potential for loose wet avalanches. It may be enough to trigger deeper basal layers on steeper unsupported slopes.

Weather Forecast

Clouds rolling in this evening bringing wet conditions and cooler temps over the next few days. Expect typical moist April conditions.

Snowpack Summary

Warm temps and high fzl have added load to upper snowpack.  At treeline, lee aspects have a series of windslabs sandwiched with thin weaknesses in the upper snowpack. A strong midpack bridges over weak basal facets on Northerly aspects at treeline and above.

Avalanche Summary

Numerous loose wet avalanches to size 2.5 noted today at most elevations- some running on crusts and others scouring to ground. Cornice failures to size 2.5 have occurred around the Icefields area on North to East aspects. They did not initiate a slab on the slopes below.

Confidence

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