Boletín de aludes

Waterton Lakes

Jan 16 – 19, 2016Parks Canada
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Archivado · caducó 11 years ago

Peligro de aludes

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

The snow we are receiving is breathing new life into the ski conditions, but is adding to the load on the weak interface formed during the New Years drought which will likely be slow to stabilize.

Problemas de aludes

  • Loose Dry

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible - Likely
    Tamaño
    1

  • Storm Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1–2
    Storm slabs will continue to grow through the weekend.

Weather Forecast

A low pressure system affecting the coast is pushing a series of weakening fronts inland.  These will produce cloudy conditions with snow flurries through the weekend.  Snowfall accumulations of up to 10cm is expected.  Temperatures will be -12 Saturday morning and rising to just below 0 by Monday.  Winds will be moderate to strong from the W-SW.

Snowpack Summary

Up to 30cm of new snow has fallen since January 4th. This overlies: a melt-freeze crust in areas previously scoured be moderate to strong SW winds, surface hoar up to 6mm in size in locations sheltered from NW winds, and old surface facets. The middle and lower snowpack are well settled and currently giving no notable shears.

Avalanche Summary

An isolated size 1.5 natural avalanche was observed from a SE aspect below treeline. Ski cutting today produced several loose dry avalanches up to size 1.0.

Confidence

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

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