Bulletin d’avalanche

Yukon

Dec 9 – 10, 2024Avalanche Canada
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Archivé · expiré 2 years ago

Danger d’avalanche

Wed
Thu
Alpin
2 · Modéré
Limite forestière
1 · Faible
Sous la limite
Sans niveau
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Points saillants

Watch for lingering pockets of wind slab in the alpine.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–2.5

    Recent snowfall and wind have formed deposits of wind slab in lee areas in alpine.

Confidence

Moderate

Avalanche Summary

A natural avalanche cycle occurred last week as rain impacted the region. See this MIN for more details.

Looking forward, the main concern will be the potential for lingering wind slabs on lee features in the alpine. Check out this MIN for more details.

Please consider sharing your observations through the Mountain Information Network.

Snowpack Summary

Above 1500 m, 10 to 30 cm of recent storm snow has been redistributed by strong southwest winds. Below this, a crust exists on or near the surface with moist snow below.

The remainder of the snowpack is dry, with small faceted crystals to ground. 

Snow depths vary significantly, averaging around 70 to 130 cm at White Pass.

Weather Summary

Sunday Night

Mostly cloudy. 15 to 30 km/h northwest ridgetop wind. Treeline temperature -5 °C.

Monday

Cloudy with upto 2 cm of snow. 30 to 50 km/h southwest ridgetop wind. Treeline temperature -4 °C.

Tuesday

Cloudy with up to 5 cm of snow. 30 to 60 km/h south ridgetop wind. Treeline temperature -3 °C.

Wednesday

Cloudy with up to 5 cm of snow. 30 to 60 km/h south ridgetop wind. Treeline temperature -3°C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for areas of hard wind slab on alpine features.
  • A hard crust on the snow surface will help strengthen the snowpack, but may cause tough travel conditions.

Régions couvertes