Boletín de aludes

Northwest Coastal

Nov 21 – 22, 2014Avalanche Canada
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Archivado · caducó 12 years ago

Peligro de aludes

Sun
Mon
Alta montaña
2 · Moderado
Límite del bosque
1 · Débil
Bajo el límite
Sin grado

Lo esencial

Storm slabs are building at alpine elevations. We have limited observations from the field. Send us yours at [email protected]!

Problemas de aludes

  • Storm Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1–3
    New snow is building up over a potentially weak old surface interface. Changing winds may create storm slabs on a variety of slopes.

Confidence

Poor - Due to the number of field observations

Weather Forecast

A series of fronts is coming in quick succession over the next few days. The forecast timing and intensity of these fronts is likely to change.Saturday: Precipitation will ease for a time in the morning. Cooling temperatures. Moderate west to north-west mountain top winds. Freezing level lowering to around 900 m.Saturday night/Sunday: 15-25 mm precipitation. Gusty south-west winds. Freezing level around 1000 m.Monday: Around 20 mm precipitation with warming temperatures. Strong to gale south-west winds. Freezing level around 1200 m.

Avalanche Summary

No avalanches have been reported in the last week, but some natural activity would not be a surprise during this stormy period. Let us know what you're seeing out there!

Snowpack Summary

Welcome to winter! We begin our forecasting season with limited information from the field. Early reports suggest there's enough snow for avalanches at alpine and some treeline elevations. Recent snow is likely to have been redistributed into slabs on lee slopes at alpine elevations. This snow may overlie a weak old snow surface (surface hoar, facets and/or a crust) which developed during the recent long dry spell. Check the bond of the snowpack at this level and take a cautious approach as new snow builds deeper above this layer.

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