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Avalanche Forecast

Archived

Feb 4th, 2026–Feb 5th, 2026

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

Regions

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

Warm temperatures and rain are destabilizing the snowpack.

Stick to terrain without exposure to overhead hazard during this period of warm, wet weather.

Confidence

Moderate

  • We are uncertain due to variable freezing levels.

Avalanche Summary

Numerous size 1.5 wet loose avalanches were reported in the alpine at the Onion riding area on Wednesday.

Observations are still limited, so be sure to post yours to the MIN if you get out!

Snowpack Summary

Rain to at least 1700 m has saturated the snowpack and moistened the snow surface.

In the alpine, wind slabs overlie a hard crust that extends up to 2300 m. Surface hoar can be found on this crust in some locations at treeline and below. Recent rain likely neutralized the surface hoar problem at lower elevations.

A second layer of facets or surface hoar is buried around 50 to 100 cm deep, and is considered unlikely to trigger at this point.

The mid and lower snowpack have no layers of concern. Snowpack depths are around 150-200 cm at treeline.

Weather Summary

Wednesday Night
Mostly cloudy. 1 to 3 mm of rain at treeline. 50 km/h southwest ridgetop wind. Treeline temperature 2 °C. Freezing level 1900 m.

Thursday
Cloudy. 4 to 5 mm of rain at treeline. 30 km/h southwest ridgetop wind. Treeline temperature 2 °C. Freezing level 1900 m.

Friday
Mix of sun and clouds. 1 to 2 mm of rain at treeline. 40 km/h south ridgetop wind. Treeline temperature 1 °C. Freezing level 2200 m.

Saturday
Mostly cloudy. 5 to 15 mm of precipitation as snow or rain at treeline. 60 km/h southwest ridgetop wind. Treeline temperature 1 °C. Freezing level 1600 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • A moist or wet snow surface, pinwheeling, and natural avalanches are all indicators of a weakening snowpack.
  • Back off slopes as the surface becomes moist or wet with rising temperatures.
  • Be careful as you transition into wind-affected terrain.

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.

Loose Wet

Loose Wet avalanches are the release of wet unconsolidated snow or slush. These avalanches typically occur within layers of wet snow near the surface of the snowpack, but they may quickly gouge into lower snowpack layers. Like Loose Dry Avalanches, they start at a point and entrain snow as they move downhill, forming a fan-shaped avalanche. Other names for loose-wet avalanches include point-release avalanches or sluffs. Loose Wet avalanches can trigger slab avalanches that break into deeper snow layers.