Boletín de aludes

Waterton Lakes

Dec 20 – 23, 2025Avalanche Canada
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Archivado · caducó 9 months ago

Peligro de aludes

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

Lo esencial

It's still early in Waterton, we probably have enough snow to ski however the snowpack is very young. Travel with an assessment mindset as the snowpack adjusts to all these new loads. Below treeline will still be very thin with early season hazards like stumps logs and rocks.

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Likely
    Tamaño
    1.5–2.5

    In more sheltered areas storm snow may behave as dry loose.

  • Persistent Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Unlikely
    Tamaño
    2–3

    May be a concern if recent windslabs step down through the bridging crust.

Confidence

Low

  • Uncertainty is due to limitations in the field data.

Avalanche Summary

No new avalanches observed however limited observations

Snowpack Summary

Up to 50cm of storm snow from the week snow has been redistributed by strong winds in the alpine and at treeline. This sits atop a new crust from this weeks warm weather and rain. Our midpack is 80-100cm of refreezing snow. At 1700 m and above, the base of the snowpack consists of a series of crusts and facets to the ground. Below 1700 m the snowpack still very thin and some areas will only have this most recent storm snow on ground.

Weather Summary

Thurs

Snow 15cm with strong to extreme SW winds. Alpine high -4°C

Fri

Flurries up to 5cm possible, Alpine high -3°C with winds decreasing to moderate to strong SW

Sat

Flurries up to 5cm possible, Alpine high -2°C. Winds moderate to strong SW

For current weather forecast, please see Mountain Weather Forecast

Current ECC weather table can be found Here

Terrain and Travel Advice

  • Be careful with wind-loaded pockets, especially near ridge crests and rollovers.
  • If triggered, wind slabs avalanches may step down to deeper layers resulting in larger avalanches.

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