Boletín de aludes

Lizard-Flathead

Dec 22 – 23, 2025Avalanche Canada
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Archivado · caducó 9 months ago

Peligro de aludes

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

Watch for changing conditions as you shift elevation and aspect - wind affected features may remain reactive to human triggers.

Problemas de aludes

  • Wind Slabs

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

    Wind affected features may remain reactive to human triggers, especially where they sit over a smooth crust.

Confidence

Moderate

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

Avalanche Summary

On Saturday, wind slabs to size 2 were exposively triggered on north and easterly aspects at treeline and above.

Snowpack Summary

50 to 70 cm of recent snow combined with strong southwest winds have formed slabs overlying a 5 to 20 cm thick crust.

Below the crust, the snowpack is generally well settled and moist to the ground in most areas.

Weather Summary

Sunday Night
Mostly cloudy. 5 cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature -6 °C. Freezing level 400 m.

Monday
Mostly cloudy. 1 to 2 cm of snow. 50 km/h southwest ridgetop wind. Treeline temperature -7 °C. Freezing level 1000 m.

Tuesday
Mostly cloudy. 1 to 5 cm of snow. 50 km/h southwest ridgetop wind. Treeline temperature -5 °C. Freezing level 1100 m.

Wednesday
Mostly cloudy. 10 to 20 cm of snow. 40 km/h south ridgetop wind. Treeline temperature -2 °C. Freezing level 1100 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Closely monitor how the new snow is bonding to the crust.
  • Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.

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