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Avalanche Forecast

Archived

Dec 29th, 2025–Dec 30th, 2025

Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely.

Regions

Kispiox, Microwave-Sinclair, North Bulkley, South Bulkley, Telkwa.

Strong southerly winds have formed fresh wind slab in leeward features.

Seek out terrain sheltered from the wind to find the best riding conditions and the lowest avalanche hazard.

Confidence

Moderate

  • Uncertainty is due to the limited number of field observations.

Avalanche Summary

No recent avalanches have been reported in this region.

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

Snowpack Summary

15 cm of new snow that fell with warm temperatures and strong southerly winds now overlies a previously wind-affected and faceted surface.

A layer of surface hoar has been observed at depths of 70 to 110 cm throughout the northwest inland region.

Snowpack depths vary throughout the region but are generally around 150-200 cm deep at treeline.

Weather Summary

Monday Night
Cloudy. 5cm of snow. 50 km/h southwest ridgetop wind. Treeline temperature 0 °C. Freezing level 1300 m.

Tuesday
Cloudy. 5cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature -1 °C. Freezing level 1200 m.

Wednesday
Mostly cloudy. 3cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature 0 °C. Freezing level 1300 m.

Thursday
Mostly cloudy. 4 to 5 cm of snow. 20 km/h south ridgetop wind. Treeline temperature -3 °C. Freezing level 300 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for areas of hard wind slab on alpine features.
  • Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.
  • Surface hoar distribution is highly variable. Avoid generalizing your observations.

Problems

Wind Slabs

Wind Slab avalanches are the release of a cohesive layer of snow (a slab) formed by the wind. Wind typically transports snow from the upwind sides of terrain features and deposits snow on the downwind side. Wind slabs are often smooth and rounded and sometimes sound hollow, and can range from soft to hard. Wind slabs that form over a persistent weak layer (surface hoar, depth hoar, or near-surface facets) may be termed Persistent Slabs or may develop into Persistent Slabs.

Persistent Slabs

Persistent Slab avalanches are the release of a cohesive layer of snow (a slab) in the middle to upper snowpack, when the bond to an underlying persistent weak layer breaks. Persistent layers include: surface hoar, depth hoar, near-surface facets, or faceted snow. Persistent weak layers can continue to produce avalanches for days, weeks or even months, making them especially dangerous and tricky. As additional snow and wind events build a thicker slab on top of the persistent weak layer, this avalanche problem may develop into a Deep Persistent Slab.