Avalanche Forecast

Issued: Jan 10th, 2024 4:00PM

The alpine rating is moderate, the treeline rating is moderate, and the below treeline rating is low. Known problems include Wind Slabs.

Avalanche Canada ejones, Avalanche Canada


Seek out sheltered terrain where you can avoid wind slabs.

Cold and short days increase the consequences if caught in an avalanche; read this blog on managing cold weather.




Avalanche Summary

Fresh wind slabs forming in exposed areas continue to be the main concern.

On Tuesday a size 2 windslab avalanche was reported on a steep, southeast-facing, alpine feature in the Shames backcountry.

On Monday near Terrace, several wind slab avalanches were triggered by skiers in the alpine on steep convexities, 20 cm deep.

On Monday in the Shames backcountry, wind transport was observed in the alpine and a small wind slab was triggered at treeline. This MIN has the report.

Snowpack Summary

Northerly winds are redistributing 20 to 50 cm of soft snow into wind slabs in exposed areas. These winds are opposite to regular loading patterns, so you could expect to find wind slabs on slopes you wouldn't normally.

This overlies previous hard surfaces or a melt-freeze crust that extends up to 1800 m.

Near Stewart and Ningunsaw, a weak layer in the form of a crust may exist up to 100 cm deep, particularly in the alpine with areas of shallow snowpack.

The remainder of the snowpack is reportedly strong with various hard crusts.

Snow depths vary throughout the region, ranging from 150 to 300 cm at treeline and tapering rapidly below.

Weather Summary

Wednesday Night

Partly cloudy with trace snow, alpine winds northwest 30 to 60 km/h, treeline temperature dropping to -20 ºC.


A mix of sun and cloud with no new snow, north alpine winds 50 to 60 km/h, treeline temperature -27 ºC.


Sunny with no new snow, north alpine winds 60 to 70 km/h, treeline temperature -30 ºC.


Sunny with no new snow, north alpine winds 50 to 60 km/h, treeline temperature -30 ºC.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for newly formed and reactive wind slabs as you transition into wind affected terrain.
  • Wind slabs may be poorly bonded to the underlying crust.
  • Seek out sheltered terrain where new snow hasn't been wind-affected.


Wind Slabs

An icon showing Wind Slabs

North winds continue to form fresh wind slab.

Near Stewart and Ningunsaw, wind slabs could fail on a buried crust, up to 100 cm deep. This is most likely in alpine areas with a shallow snowpack in wind-affect terrain; like southwest slopes.

Aspects: East, South East, South, South West, West.

Elevations: Alpine, Treeline.


Possible - Likely

Expected Size

1 - 2.5

Valid until: Jan 11th, 2024 4:00PM