Boletín de aludes

North Rockies

Mar 14 – 15, 2025Avalanche Canada
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Archivado · caducó 2 years ago

Peligro de aludes

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

Lo esencial

Recent storm snow may need extra time to settle. Use caution, especially where more than 20 cm has accumulated.

Problemas de aludes

  • Storm Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible - Likely
    Tamaño
    1–2.5

    All the recent snow will take time to stabilize. This is particularly true where it overlies weak surface hoar crystals and in wind-exposed terrain near ridges.

Terrain and Travel Advice

  • Be aware of the potential for large avalanches due to buried weak layers.
  • Recent wind has varied in direction, so watch for wind slabs on all aspects.
  • Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.

Confidence

Moderate

Avalanche Summary

Throughout this past week, a few small to large (size 1 to 2) wind slab avalanches out of steep alpine terrain where reported.

Snowpack Summary

Up to 60 cm of snow has accumulated in the past week and overlies a hard melt-freeze crust and perhaps isolated surface hoar crystals in wind-sheltered treeline terrain. The snow may be deeper and touchier in wind-exposed lee features.

A weak layer of surface hoar and/or faceted grains buried mid-February is around 50 to 100 cm deep, but is showing signs of strengthening.

The lower snowpack is well-settled.

Weather Summary

Friday Night

Mostly clear. 10 to 20 km/h northwest ridgetop wind. Treeline temperature -12 °C.

Saturday

Mostly sunny. 10 to 40 km/h southwest ridgetop wind. Treeline temperature -10 °C.

Sunday

Mix of sun and cloud with 1 to 5 cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature -8 °C.

Monday

Mix of sun and cloud with 1 to 5 cm of snow. 40 to 50 km/h southwest ridgetop wind. Treeline temperature -4 °C.

More details can be found in the Mountain Weather Forecast.

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