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Avalanche Forecast

Archived

Jan 22nd, 2026–Jan 23rd, 2026

Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.

Regions

Northwest Coastal, Northwest Inland, Boundary, Kitimat, Nass, Rupert, Seven Sisters, Shames, Stewart, Howson.

Crusty and wind affected snow makes for fast travel.

The persistent slab may still linger in shallow areas.

Confidence

Moderate

  • We are uncertain about how quickly persistent slabs are gaining strength.

Avalanche Summary

January 20-22

  • No new avalanches reported

January 19

  • Numerous large (up to size 3) explosive triggered avalanche were reported. Mostly failing as cornices or persistent slabs.

January 18

  • A large (size 2) natural glide slab avalanche was reported below treeline.

Snowpack Summary

In the alpine, a widespread melt freeze crust exists on solar aspects and within the band of recent above freezing layers. The rest of the alpine surface is quite firm and wind affected. Small pockets of stubborn wind slab may exist. Surface facetting has been noted on all these surfaces. The January 3rd surface hoar is still a layer of note and found between 100 and 250 cm deep.

At treeline and below treeline, the previously warm and wet surface snow has now become a robust melt freeze crust. Some new surface hoar growth has been noted on this layer.

Treeline snow depths throughout the region range from 250 to 450 cm.

Weather Summary

Thursday Night
Clear Skies. 20 km/h east ridgetop wind. Treeline temperature -5 °C.

Friday
Sunny. 10 km/h east ridgetop wind. Treeline temperature -3 °C.

Saturday
Sunny. 10 km/h west ridgetop wind. Treeline temperature -2 °C.

Sunday
Mostly cloudy. 1 cm of snow. 30 km/h west ridgetop wind. Treeline temperature -4 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Pay attention to cornices and give them a wide berth when traveling on or below ridges.
  • Avoid areas with a thin or variable snowpack.

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.