Boletín de aludes

South Rockies

Apr 5 – 6, 2025Avalanche Canada
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Archivado · caducó last year

Peligro de aludes

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

Lo esencial

Avalanche danger is expected to increase throughout the day as the sun will change the snow surface rapidly.

Read the new forecasters' blog.

Problemas de aludes

  • Cornices

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible - Likely
    Tamaño
    2–3

    As temperatures rise, large cornice falls are becoming a concern. Carefully manage your exposure to overhead hazards during the warmest part of the day.

  • Loose Wet

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

    As surfaces become wet, loose wet avalanches will become more likely on steep slopes at all elevations.

Confidence

Moderate

Avalanche Summary

On Friday, skiers remotely triggered a slab on a northeasterly lee ridge feature at treeline near Mt. Fisher. Evidence from last week's natural avalanche cycle continued to be reported throughout the region.

Expect increasing avalanche activity within the surface snow with the forecasted warm weather.

Snowpack Summary

A spring diurnal cycle occurred up to 2000 m. The surface is either moist or capped with a thin crust on all aspects and elevations except for high northerly slopes where up to 25 cm of settled snow overlies a thick and supportive crust from late March.

The snowpack is quickly disappearing below treeline.

Weather Summary

Saturday Night

Clear. 15 to 25 km/h southwest ridgetop wind. Treeline temperature 0 °C Freezing level around 1000 m with temperature inversion.

Sunday

Sunny. 20 to 30 km/h southwest ridgetop wind. Treeline temperature +6° C. Freezing level around 3000 m.

Monday

Mix of sun and clouds. 30 to 50 km/h west ridgetop wind. Treeline temperature +4 °C. Freezing level around 2500 m.

Tuesday

Cloudy with up to 5 cm of wet snow. 20 to 30 km/h southwest ridgetop wind. Treeline temperature +2 °C. Freezing level around 2000 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Carefully manage your exposure to overhead hazards.
  • Limit exposure to steep, sun exposed slopes, especially when the solar radiation is strong.
  • Back off slopes as the surface becomes moist or wet with rising temperatures.

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