Boletín de aludes

North Rockies

Dec 30 – 31, 2025Avalanche Canada
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Archivado · caducó 9 months ago

Peligro de aludes

Thu
Fri
Alta montaña
3 · Notable
Límite del bosque
2 · Moderado
Bajo el límite
1 · Débil

Lo esencial

Wind and snow brings fresh potential for reactive wind slabs to form.

Avalanche danger may be lower in the east of this region, with minimal snow expected.

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Likely
    Tamaño
    1–2

    Strong winds and new snow have likely formed fresh and reactive slabs on north and east facing slopes. Slabs may sit over weak layers, increasing reactivity.

Confidence

Moderate

  • Uncertainty is due to the speed, direction, or duration of the wind and its effect on the snowpack.
  • Uncertainty is due to the limited number of field observations.

Avalanche Summary

No new avalanches have been reported, but observations are limited. We expect wind slabs to be triggerable by riders, especially in the west of the region with further snowfall and wind.

If you are heading into the backcountry, please consider sharing your observations or photos to the Mountain Information Network.

Snowpack Summary

By Tuesday afternoon up to 15 cm of snow has likely fallen in the west of this region, redistributed into deeper deposits on north and east facing slopes at higher elevations.

A prominent crust, formed in mid-December, is now buried 60 to 100 cm deep. This crust extends up to 1800 m near the Pine Pass area.

In thin snowpack areas, faceted grains or depth hoar may exist at the base of the snowpack.

Weather Summary

Monday Night
Mostly cloudy. 60 km/h southwest ridgetop wind. Treeline temperature -5 °C.

Tuesday
Mostly cloudy. 2 to 15 cm of snow, greatest accumulations from Pine Pass to the Hominka River . 60 km/h southwest ridgetop wind. Treeline temperature -5 °C.

Wednesday
Mix of sun and clouds. 2 to 5 cm of snow. 50 km/h southwest ridgetop wind. Treeline temperature -2 °C.

Thursday
Mostly cloudy. 3 to 4 cm of snow. 30 km/h south ridgetop wind. Treeline temperature -3 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Expect slab conditions to change drastically as you move into wind-exposed terrain.
  • Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.
  • Be careful with wind-loaded pockets, especially near ridge crests and rollovers.

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