Boletín de aludes

Waterton Lakes

Dec 17 – 20, 2015Parks Canada
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Archivado · caducó 11 years ago

Peligro de aludes

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

Great skiing persists, particularly around treeline. Get out there and enjoy it! But watch for fresh storm slab development as soon as the winds pick up. JH

Problemas de aludes

  • Persistent Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Unlikely
    Tamaño
    1–3

  • Loose Dry

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Likely
    Tamaño
    1
    Watch for sloughs running fast and far where previous crusts are near the surface.

  • Storm Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Unlikely
    Tamaño
    1–2
    Previous storm slabs have not been reactive for several days.Watch for fresh storm slab development when the wind increases.

Weather Forecast

Several well organized low pressure systems making landfall on the central coast over the next few days will mostly be held off from influencing our area by a high pressure center over norther BC/Alberta.  Thankfully, on Friday a front will make it through, and we can expect to see snowfall in the amount of 10-15 cm by Saturday afternoon.

Snowpack Summary

10-15 cm of new snow overnight burying previously visible storm slabs formed by SW-NW winds. 3 buried crusts exist; two from early December are widespread below tree-line, and one from mid November which exists at all elevations and has a highly variable depth as it was scoured clean in exposed areas prior to the heavy rain/snow event on Dec. 8th.

Avalanche Summary

No new avalanche activity has been observed or reported.

Confidence

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

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