Boletín de aludes

Jasper

Apr 16 – 17, 2016Parks Canada
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Archivado · caducó 10 years ago

Peligro de aludes

Mon
Tue
Alta montaña
Sin grado
Límite del bosque
Sin grado
Bajo el límite
Sin grado
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Lo esencial

Freezing levels to 4000m, warm nights and sunny skies will provide prime conditions for an isothermal snowpack and potential for large avalanches. Patience will be required for springtime ski objectives. Avoid avalanche terrain until conditions cool.

Problemas de aludes

  • Cornices

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Likely
    Tamaño
    1–2
    Extended periods of time with above 0 temperatures will weaken cornices. Be aware that even if you are in the shade on a N aspect the tops of the cornices will still be getting sun affected above you.

  • Loose Wet

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Very Likely
    Tamaño
    1–3
    Warm overnight temperatures and freezing levels up to 4000m will create a widespread avalanche cycle until temperatures cool.

  • Deep Persistent Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Likely
    Tamaño
    3–4
    We have seen all aspects but north run big and far. With even warmer temperatures forecast, we can expect the high elevation N aspects to respond.

Weather Forecast

Unusually warm temperatures for this time of year and freezing levels up to 4000m will continue for several days into the week. Don't expect much overnight recovery in the snowpack. The sun will dominate for the foreseeable future.

Snowpack Summary

Temperatures will start warming Sunday and freezing levels are expected to climb to 4000m. Several hot days with little to no overnight recovery are expected. This will create isothermal conditions on all but high elevation N aspects.

Avalanche Summary

Expecting a significant avalanche cycle with loose snow avalanches, cornices being triggered and potential for the deep persistent slab layers on N aspects to run big and far.

Confidence

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