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Avalanche Forecast

Archived

Jan 1st, 2026–Jan 2nd, 2026

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

Regions

Kispiox, Ningunsaw.

Snowpack modelling suggests a dangerous weak layer exists at the base of the snowpack,

Wind slab avalanches may step down.

Confidence

Low

  • Uncertainty is due to limitations in the field data.

Avalanche Summary

On Wednesday, a small natural wind slab occurred on a steep northeast aspect in the alpine.

No other avalanches have been reported recently, however, reports are very limited.

Snowpack Summary

15 cm of recent snow from earlier in the week fell with warm temperatures and strong southerly winds. This likely sits on a layer of small facets. Lower elevations may have a crust on the surface.

Areas with less than 120 cm of snow may have a concerning weak layer at the base of the snowpack.

Weather Summary

Thursday Night
Partly cloudy. 10 km/h northwest ridgetop wind. Treeline temperature -11 °C.

Friday
Mostly sunny. 10 km/h west ridgetop wind. Treeline temperature -13 °C.

Saturday
Mix of sun and clouds. 10 km/h southeast ridgetop wind. Treeline temperature -13 °C.

Sunday
Mix of sun and clouds. 10 km/h south ridgetop wind. Treeline temperature -15 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be aware of the possibility for full depth avalanches due to deeply buried weak layers.
  • Watch for areas of hard wind slab on alpine features.
  • If triggered, wind slabs avalanches may step down to deeper layers resulting in larger avalanches.

Problems

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.

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.