Boletín de aludes

Kananaskis

Mar 13 – 14, 2018Alberta Parks
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Archivado · caducó 9 years ago

Peligro de aludes

Thu
Fri
Alta montaña
2 · Moderado
Límite del bosque
2 · Moderado
Bajo el límite
2 · Moderado
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Lo esencial

If solar input is stronger than expected, recognize that the danger elevation will rise proportionally.

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1.5–2.5
    Most prominent along lee features.

  • Loose Wet

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Likely
    Tamaño
    1–2
    Solar aspects will have a crust in the morning. The cloud may prevent this from breaking down at higher elevations.

  • Deep Persistent Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Unlikely
    Tamaño
    2–3.5
    Cornices could start to fail if they see a lot of sun. These kinds of large triggers could cause the deep layers to fail.

Confidence

High -

Weather Forecast

Temps will be slightly cooler tomorrow. Freezing levels will be around 2400m. There will also be more cloud tomorrow, which should help with the moist snow situation. Winds will continue to be light. No precip is expected.

Avalanche Summary

Control runs today saw small slabs in the alpine that eventually entrained warm snow as they crept downhill. There was also a high alpine windslab avalanche noted in the Goat range. It was a sz2, E asp, 2800m start elevation.

Snowpack Summary

Another day of warm temps and strong solar input have helped settle the snowpack as a whole. Any steep, solar slope had moist snow by early afternoon and by mid afternoon some loose wet activity was noted. The polar aspects haven't felt the warm temps as much. The snow remains cold, and the layering structure that we're used to is still intact. At alpine & treeline elevations, the windslabs still haven't had enough heat to bond together.

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