Boletín de aludes

South Rockies

Feb 21 – 22, 2025Avalanche Canada
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Archivado · caducó 2 years ago

Peligro de aludes

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

Lo esencial

Watch for persistent slabs to become reactive as the temperature continues to rise over the next few days.

Problemas de aludes

  • Persistent Slabs

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

    A weak layer surface hoar and/or facets is buried 40 to 60 cm and may become more reactive as the temperature rises in the coming days.

  • Loose Dry

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible - Likely
    Tamaño
    1–1.5

    Loose dry avalanches will be likely in steep terrain where new snow hasn't formed a slab.

Confidence

Moderate

Avalanche Summary

On Tuesday there were reports of large (size 2) dry loose avalanches running in steep terrain. These were stepping down to a weak layer of facets buried in late January. Expect this layer of facets to become more reactive as the temperature gradually warms and snow above becomes more cohesive.

Snowpack Summary

Around 25 cm of new snow sits on 20 to 40 cm of mostly faceted snow. This all sits on a weak layer of surface hoar or facets buried in late January now buried 40 to 60 cm.

The mid and lower snowpack is generally well settled.

Weather Summary

Thursday Night

Cloudy. 20 to 35 km/h west ridgetop wind. Treeline temperature -7 °C.

Friday

Cloudy. 20 to 50 km/h southwest ridgetop wind. Treeline temperature -4 °C.

Saturday

Mostly cloudy with 5 to 10 cm of snow. 30 to 50 km/h southwest ridgetop wind. Treeline temperature -1 °C.

Sunday

Mostly cloudy with 10 to 20 cm of snow. 30 to 70 km/h southwest ridgetop wind. Treeline temperature 0 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Use caution above cliffs and terrain traps where even small avalanches may have severe consequences.
  • Loose avalanches may step down to deeper layers, resulting in larger avalanches.
  • Be careful as you transition into wind-affected terrain.

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