Boletín de aludes

South Coast Inland

Avalanche Canada
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Peligro de aludes

Sun
Mon
Alta montaña
2 · Moderado
Límite del bosque
1 · Débil
Bajo el límite
1 · Débil
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Desactualizado: este boletín caducó 5 months ago. Estás viendo condiciones pasadas, no el boletín vigente.

Lo esencial

Sheltered, shaded terrain still holds the best riding; however, large cornices above are a concern.

Even brief periods of strong sun can begin to destabilize the snowpack.

Problemas de aludes

  • Wind Slabs

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

    A light refresh of snow has been redistributed by moderate wind.

  • Cornices

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Unlikely
    Tamaño
    1.5–3

    Cornices are large and fragile.

Confidence

High

  • We have a good understanding of the snowpack structure and confidence in the weather forecast.

Avalanche Summary

On Thursday, a few small natural dry loose avalanches occurred.

On Wednesday, a large cornice fall triggered a large avalanche on the slope below. The debris is reported to have run far.

On Monday, north of Pemberton, small loose dry, rider triggered avalanches and sluffs were reported in steep terrain.

If you are heading into the backcountry, consider sharing your observations and posting a MIN.

Snowpack Summary

New snow could give a light refresh to the upper snowpack in sheltered areas.

Expect to find 30 to 50 cm of settling snow over a thick and hard crust below about 1900 m, and old wind-affected snow at upper elevations.

Steep slopes that usually face the sun may have a thin breakable crust on or near the surface.

Two older crusts (1-1.5 m deep), buried in early February and March previously produced large to very large avalanches, but they seem to have gained strength and are not a current concern.

Weather Summary

Friday Night
Partly cloudy. 1 cm of snow. 50 km/h southwest ridgetop wind. Treeline temperature -4 °C.

Saturday
Mostly cloudy. 30 km/h west ridgetop wind. Treeline temperature -3 °C. Freezing level 1600 m.

Sunday
Mix of sun and clouds. 30 km/h southwest ridgetop wind. Treeline temperature 1 °C. Freezing level 2200 m.

Monday
Mix of sun and clouds. 50 km/h southwest ridgetop wind. Treeline temperature 3 °C. Freezing level 2500 m.

Warming weather will change the game, click this link for great terrain and travel advice.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Pay attention to cornices and give them a wide berth when traveling on or below ridges.
  • Be alert to conditions that change with elevation, aspect, and exposure to wind.
  • Avoid terrain traps such as gullies and cliffs where the consequence of any avalanche could be serious.
  • The more the snowpack warms up and weakens, the more conservative your terrain selection should be.

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