Boletín de aludes

Kananaskis

Apr 7 – 8, 2016Alberta Parks
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Archivado · caducó 10 years ago

Peligro de aludes

Sat
Sun
Alta montaña
Sin grado
Límite del bosque
Sin grado
Bajo el límite
Sin grado
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Lo esencial

Spring Conditions out there right now. We are expecting very high temperatures and clear skies tomorrow. Expect a widespread increase in avalanche hazard very quickly tomorrow.

Problemas de aludes

  • Cornices

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Likely
    Tamaño
    2–5
    Cornices become weaker with heat. Don't forget that cornices might be in the sun on the other side of the ridge out of view. The inversion tonight may also reduce the re-freeze tonight.

  • Loose Wet

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible - Likely
    Tamaño
    1–3
    These will start to become a problem as soon as the sun hits the slopes, or the temperatures rise.

  • Deep Persistent Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    3–6
    The temperature increase will weaken the overlying layers. Expect the problem to ramp up as the daytime heating increases. Wet slabs may be encountered as well.

Weather Forecast

Tonight the freezing level will fall to 1700m. There is also a weak inversion in the forecast for tonight and possibly tomorrow. Tomorrow will have a mix of sun and cloud and no precipitation. The alpine winds will be mostly light, but expect severe gusts up to 85km/hr. The freezing level will rise dramatically and top out at 3500m! A

Avalanche Summary

No direct observations today, however it is almost certain that there were loose wet avalanches in the later part of the day.

Snowpack Summary

Much of the snowpack is now isothermal by mid afternoon, meaning that it is mostly un supportive and extremely weak when not frozen. The recent weather pattern has encouraged a predictable freeze/thaw cycle making for crusty conditions in the morning and a weak, wet snowpack in the afternoon. Freezing levels extended to 2400m yesterday. Today's alpine high reached 10 degrees. Higher elevations that face true north still have a hint of a winter snowpack, although these places are getting to be fewer and fewer.

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