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Avalanche Forecast

Archived

Jan 13th, 2026–Jan 14th, 2026

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

Regions

Coquihalla, Harrison-Fraser, Manning, Skagit.

Natural avalanche activity has tapered, but human-triggered avalanches are possible.

Continually assess as you travel, back off if there are signs of instability.

Confidence

Low

  • Uncertainty is due to how the snowpack will react to the forecast weather.

Avalanche Summary

During the storm, Several size 2 wet loose avalanches were reported.

Going forward, wet loose avalanche activity will taper and may be unreactive where a surface crust is forming. Watch for moist or wet snow as you travel.

Snowpack Summary

A significant rain and warming event has saturated the upper snowpack to ridge-top.

Clear overnight skies have likely started to form a surface crust that may break down during the day. Below this the snowpack remains moist.

The mid-December crust is 100 to 250 cm deep. This crust is 30 cm thick and well-bonded to the snow above.

Weather Summary

Tuesday Night
Mostly clear skies. 40 km/h west ridgetop wind. Treeline temperature 6 °C. Freezing level 3400 m.

Wednesday
Mix of sun and clouds. 1 mm of rain at treeline. 50 km/h west ridgetop wind. Treeline temperature 3 °C. Freezing level 2800 m.

Thursday
Mostly sunny. 20 km/h east ridgetop wind. Treeline temperature 2 °C. Freezing level 2600 m.

Friday
Sunny. 20 km/h northeast ridgetop wind. Treeline temperature 5 °C. Freezing level 3200 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Use extra caution around cornices: they are large, fragile, and can trigger slabs on slopes below.
  • Back off slopes as the surface becomes moist or wet with rising temperatures.
  • A moist or wet snow surface, pinwheeling, and natural avalanches are all indicators of a weakening snowpack.

Problems

Cornices

Cornice Fall is the release of an overhanging mass of snow that forms as the wind moves snow over a sharp terrain feature, such as a ridge, and deposits snow on the downwind (leeward) side. Cornices range in size from small wind drifts of soft snow to large overhangs of hard snow that are 30 feet (10 meters) or taller. They can break off the terrain suddenly and pull back onto the ridge top and catch people by surprise even on the flat ground above the slope. Even small cornices can have enough mass to be destructive and deadly. Cornice Fall can entrain loose surface snow or trigger slab avalanches.

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.