Bulletin d’avalanche

Kispiox

Dec 29 – 30, 2025Avalanche Canada
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Archivé · expiré 9 months ago

Danger d’avalanche

Wed
Thu
Alpin
3 · Marqué
Limite forestière
2 · Modéré
Sous la limite
1 · Faible
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Points saillants

UPDATED AT 6:50 AM: Strong winds and new snow are forming reactive wind slabs.

Areas sheltered from the wind will have better riding and lower avalanche hazard.

Problèmes avalancheux

  • Wind Slabs

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

    Recent wind has varied in direction and strength. Wind slab could be present on all aspects and elevations.

  • Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely - Possible
    Taille
    2–2.5

    Several surface hoar layers are buried 70 to 110 cm deep across the region. Their spatial distribution and reactivity are uncertain, so use extra caution on large, steep slopes.

Terrain and Travel Advice

  • Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.
  • Recent wind has varied in direction, so watch for wind slabs on all aspects.
  • Surface hoar distribution is highly variable. Avoid generalizing your observations.

Confidence

Avalanche Summary

On Wednesday, a size 2 wind slab avalanche was observed at the Onion riding area. Otherwise, no other recent avalanches have been reported.

If you do observe an avalanche, please post a MIN report.

Snowpack Summary

15-20 cm of new snow overlies previous wind effect at treeline and alpine elevations. Areas sheltered from the wind are still holding soft snow.

A layer of surface hoar has been observed at depths of 70 to 110 cm throughout the northwest inland region. While no recent avalanches have involved this layer, some snowpack test results have been concerning.

Weather Summary

Sunday Night
Cloudy. 1 cm of snow. 60 km/h southwest ridgetop wind. Treeline temperature -1 °C.

Monday
Mostly cloudy. 1 mm of precipitation as snow or rain at treeline. 60 km/h southwest ridgetop wind. Treeline temperature 0 °C.

Tuesday
Mostly cloudy. 5 to 10 mm of precipitation as snow or rain at treeline. 50 km/h southwest ridgetop wind. Treeline temperature 1 °C.

Wednesday
Mix of sun and clouds. 1 to 5 cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature -1 °C.

More details can be found in the Mountain Weather Forecast.

Régions couvertes