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Avalanche Forecast

Archived

Dec 19th, 2023–Dec 20th, 2023

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

Regions

Coquihalla, Manning, Skagit.

Back off steep slopes when the snow surface feels wet. Wet loose avalanches are possible due to sustained high freezing levels and rain

Confidence

Moderate

Avalanche Summary

No recent avalanches have been reported in the region.

If you do head into the backcountry please submit any observations and/or photos on the Mountain Information Network.

Snowpack Summary

he snow surface is moist at treeline and below. As the freezing level falls a new crust will likely form in the alpine.

The mid and lower snowpack is made up of a series of crusts and rounded grains. The snowpack is generally well consolidated.

Overall, the snow depth remains shallow, especially on south facing slopes. Early season hazards are just below the surface.

Weather Summary

Tuesday Night

Mostly cloudy with 5 mm of mixed precipitation expected, south alpine wind 15 to 35 km/h, freezing level around 1800 m.

Wednesday

Mostly cloudy with trace amounts of new snow expected, southwest alpine wind 15 to 40 km/h, freezing level around 2000 m.

Thursday

A mix of sun and cloud with no new snow expected, southwest alpine wind 25 to 40 km/h, freezing level around 1900 m.

Friday

Cloudy with up to 10 cm of new snow expected, southwest alpine wind 25 to 50 km/h, freezing level around 1900 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Even a small avalanche can be harmful if it pushes you into an obstacle or a terrain trap.
  • Back off slopes as the surface becomes moist or wet with rising temperatures.
  • Travelling on skis is hazardous due to a very shallow mountain snowpack.

Problems

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.