Boletín de aludes

South Okanagan

Dec 24 – 25, 2022Avalanche Canada
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Archivado · caducó 4 years ago

Peligro de aludes

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

Lo esencial

New snow may not bond well to the old surface. Assess for slabs prior to committing to steep terrain.

Problemas de aludes

  • Wind Slabs

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

    New snow and strong wind have likely formed new wind slabs in lee terrain features at higher elevations. The new snow may not bond well to previous surfaces formed during last week's cold spell.

Confidence

Moderate

Avalanche Summary

No avalanches were reported on Thursday. Looking forward, riders could trigger wind slabs in steep terrain features in wind-exposed terrain.

Please consider submitting a MIN report if you head into the backcountry.

Snowpack Summary

Around 10 to 20 cm of new snow and southwest wind are likely forming wind slabs in lee terrain features at higher elevations. Soft snow prevails in sheltered terrain, which may not bond well to previous surfaces of sugary faceted grains and small surface hoar crystals.

The majority of the snowpack is faceted, with roughly 100 cm found at treeline.

Weather Summary

Friday Night

Cloudy with snowfall, accumulation 1 to 3 cm, 20 to 40 km/h southwest wind, treeline temperatures -9 °C.

Saturday

Cloudy with snowfall, accumulation 5 to 10 cm, 40 km/h southwest wind, treeline temperatures -5 °C.

Sunday

Mix of sun and cloud with isolated snowfall, accumulation 2 to 5 cm, 20 km/h southwest wind, treeline temperatures -3 °C.

Monday

Cloudy with snowfall, accumulation 2 to 5 cm, 40 to 60 km/h southwest wind, treeline temperature -2 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

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

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