Boletín de aludes

South Coast

Feb 1 – 2, 2015Avalanche Canada
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Archivado · caducó 12 years ago

Peligro de aludes

Tue
Wed
Alta montaña
2 · Moderado
Límite del bosque
2 · Moderado
Bajo el límite
1 · Débil
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Lo esencial

Conditions have changed and new wind slabs have increased the avalanche danger.

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible - Likely
    Tamaño
    1–2
    Continued light snowfall and southwest winds may form new wind slabs in upper elevation terrain. Watch for triggering in the lee of ridge crests and terrain breaks.

Confidence

Fair - Intensity of incoming weather systems is uncertain on Monday

Weather Forecast

Another pacific frontal system will bring up to 10cm of snow to the Coast on Monday. Lingering flurries are expected on Tuesday before a dry ridge of high pressure develops for Wednesday. Ridgetop winds are forecast to be moderate to strong from the southwest on Monday, and then decrease to light on Tuesday and Wednesday. Freezing levels should hover around 1000m for the forecast period.

Avalanche Summary

At the time of publishing this bulletin, no new avalanches had been reported. That said, I'm sure thin wind slabs may have been easily triggered in response to Sunday's weather. With more snow on the way, I expect continued wind slab activity in lee terrain at treeline and above.

Snowpack Summary

Light to locally moderate amounts of new snow overlie a hard rain crust that exists up to at least 2100m. In some areas the new accumulations may have been shifted by moderate southwest winds into new wind slabs which may be especially reactive due to the underlying crust.Deeper snowpack weaknesses have become unreactive on account of the strong capping crust layer.

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