Boletín de aludes

South Coast

Dec 30 – 31, 2015Avalanche Canada
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Archivado · caducó 11 years ago

Peligro de aludes

Fri
Sat
Alta montaña
2 · Moderado
Límite del bosque
1 · Débil
Bajo el límite
1 · Débil
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Lo esencial

Solar radiation and warm alpine temperatures may increase the Avalanche Danger over the next few days.

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Unlikely - Possible
    Tamaño
    1–2
    In most areas, recently formed wind slabs have likely gained strength. That said, I'd remain cautious in high elevation lee terrain where small wind slabs may still be sensitive to human triggering.

  • Loose Wet

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1–2
    Temperature inversions and solar radiation forecast for the next few days will promote loose wet avalanche activity, especially on steep, sun-exposed slopes at higher elevations.

Avalanche Summary

No new avalanches have been reported. With solar radiation and warmer alpine temperatures forecast for the next few days, loose wet avalanches may occur on steep, sun-exposed slopes.

Confidence

Moderate - Timing or intensity of solar radiation is uncertain

Weather Forecast

The current ridge of high pressure will persist for the foreseeable future bringing clear skies for the forecast period. Ridgetop winds will remain mainly light to moderate from the south. An inversion is forecast for all 3 days with above-freezing temperatures expected in the alpine.

Snowpack Summary

About 10-20cm of low-density snow fell between last Saturday and Monday. In exposed, high elevation terrain, moderate winds may have shifted these accumulations into soft wind slabs in the immediate lee of ridge crests. Due to continued cool temperatures, these wind slabs may have taken more time than usual to settle and gain strength. Solar radiation has also come into play, and depending on the time of day, steep solar aspects may be moist or refrozen. Recent field reports suggest deeper snowpack weaknesses have now gained considerable strength, and the mid and lower snowpack are considered to be generally strong and well-settled.

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