Bulletin d’avalanche

Yukon

Dec 17 – 18, 2025Avalanche Canada
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Archivé · expiré 10 months ago

Danger d’avalanche

Fri
Sat
Alpin
2 · Modéré
Limite forestière
1 · Faible
Sous la limite
Sans niveau

Points saillants

Watch for old and hard wind slabs as you transition from sheltered to wind exposed terrain.

The cold weather continues to weaken the general structure of the snowpack.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–2

    Wind slabs are lingering as faceting continues with continued cold temperatures.

Confidence

Moderate

Avalanche Summary

Reports of small (size 1) natural wind slab avalanches were reported on Tuesday.

Observations are limited this time of year. Be sure to verify conditions as you go.

If you are getting out in the backcountry, consider sharing your observations on the Mountain Information Network (MIN)!

Snowpack Summary

The upper snowpack is soft in sheltered areas around treeline and mostly hard and sculpted by the wind at alpine elevations.

An average snowpack depth of 110 cm in the alpine tapers with elevation to around 60 cm at the White Pass highway elevation.

Weather Summary

Tuesday Night
Mostly cloudy. 2 cm of snow. 20 km/h northeast ridgetop wind. Treeline temperature -23 °C.

Wednesday
Partly cloudy. 1 cm of snow. 30 km/h northeast ridgetop wind. Treeline temperature -25 °C.

Thursday
Partly cloudy. 1 cm of snow. 30 km/h northeast ridgetop wind. Treeline temperature -27 °C.

Friday
Mostly clear. 30 km/h northeast ridgetop wind. Treeline temperature -30 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be alert to conditions that change with elevation, aspect, and exposure to wind.
  • Back off if you encounter whumpfing, hollow sounds, or shooting cracks.
  • Make observations and continually assess conditions as you travel.

Régions couvertes