Boletín de aludes

South Coast Inland

Dec 19, 2016Avalanche Canada
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Archivado · caducó 10 years ago

Peligro de aludes

Mon
Tue
Alta montaña
4 · Fuerte
Límite del bosque
3 · Notable
Bajo el límite
2 · Moderado

Lo esencial

There is a wide variation between forecast snowfall amounts and temperatures in the north and south of the region. Danger ratings as seen here are for anticipated higher snowfall and warmer temperatures in the south

Problemas de aludes

  • Storm Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible - Likely
    Tamaño
    1–3
    New snow combined with moderate to strong southwest winds have created slabs on top of a variety of potential weak sliding layers.

Confidence

Moderate - Timing, track, or intensity of incoming weather system is uncertain

Weather Forecast

Monday: Snow, accumulations from Sunday night through Monday 10-20cm in the north of the region and 20-30cm in the south / Moderate to strong southwest wind / Alpine temperature -9 in the north, -2 in the southTuesday: Flurries in the north and snow in the south of the region, accumulations 5-10cm in the north and 20-30 in the south / Moderate to strong southwest wind / Alpine temperature of -5 in the north, 0 in the southWednesday: Cloudy with scattered flurries / Moderate southwest wind / Alpine temperature -5

Avalanche Summary

Expect avalanche activity to rise with new snowfall accumulating Sunday night through the day Monday combined with moderate to strong wind and warming temperatures.

Snowpack Summary

New snow overlies the previous variable snow surface from last week, which includes hard wind pressed or scoured areas, old wind slabs, weak faceted snow, or surface hoar. New wind slabs that have formed in response to southwest winds. In the Duffey Lake area, recent snowpack tests gave moderate sudden planar results down 36 cm on buried surface hoar. The widespread mid-November crust is typically down approximately 1 metre. Recent snowpack tests have shown the crust to be unreactive, but it could become a problem in shallow alpine start zones.

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