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Avalanche Forecast

Archived

Jan 12th, 2026–Jan 13th, 2026

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

Regions

Northwest Inland, Seven Sisters, Howson, Kispiox, Microwave-Sinclair, Ningunsaw.

Continue to choose conservative terrain.

Storm snow is likely to remain reactive to human triggers, especially where slabs sit over weak layers.

Confidence

Moderate

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

Avalanche Summary

A natural avalanche cycle was observed during the recent storm, to size 2.5 at all elevations. Wet avalanches have been observed at lower elevations, while storm and wind slab avalanches continue above. Avalanches have been running within the storm snow, and on buried weak layers, including the early January surface hoar and late December crust.

Snowpack Summary

Recent storm totals of 100-130 cm have been redistributed by strong southerly winds and are settling rapidly due to warm temperatures. At treeline and below, snow may be moist or wet from rain.

A layer of surface hoar is buried 40 to 70 cm deep in sheltered treeline features. Below treeline, a crust is found at this interface.

The mid and lower snowpack is well settled with no current layers of concern. Treeline snow depths throughout the region range from 150 cm to 250 cm.

Weather Summary

Monday Night
Mostly cloudy. 3 to 5 mm of rain at treeline. 40 km/h southwest ridgetop wind. Treeline temperature 0 °C. Freezing level 1500 m.

Tuesday
Cloudy. 5 to 15 mm of rain at treeline. 50 km/h southwest ridgetop wind. Treeline temperature 2 °C. Freezing level 2000 m in the south, 1500 m in the north.

Wednesday
Mostly cloudy. 5 to 20 mm of precipitation as snow or rain at treeline. 60 km/h southwest ridgetop wind. Treeline temperature 1 °C. Freezing level 1600 m.

Thursday
Mostly sunny. 30 km/h west ridgetop wind. Treeline temperature -2 °C. Freezing level 800 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be alert to conditions that change with elevation, aspect, and exposure to wind.
  • Storm slabs in motion may step down to deeper layers resulting in large avalanches.
  • A moist or wet snow surface, pinwheeling, and natural avalanches are all indicators of a weakening snowpack.

Problems

Storm Slabs

Storm Slab avalanches are the release of a cohesive layer (a slab) of new snow that breaks within new snow or on the old snow surface. Storm-slabs typically last between a few hours and few days (following snowfall). Storm-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.