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Archived

Avalanche Forecast

Jan 6th, 2025–Jan 7th, 2025
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low

Regions: Coquihalla, Harrison-Fraser, Manning, Sasquatch, Skagit, Stave.

Watch for pockets of wind slab in lee features and around steep rolls.

Surface snow may become moist with warm temperatures.

Confidence

High

Avalanche Summary

Several MINs from the Coquihalla area on Sunday reported wind-affected snow, shooting cracks, and several small skier-triggered wind slabs.

Snowpack Summary

A surface crust may form Monday night after warm temperatures. This is likely on all aspects except northerly aspects in the alpine.

Recent snow has seen moderate redistribution in wind-exposed terrain. Good snow quality has been reported in wind-sheltered areas.

A substantial crust up to 30 cm thick sits 50 to 100 cm deep, well-bonded to surrounding snow. The mid and lower snowpack is generally well consolidated, with several well-bonded crusts scattered throughout.

Treeline snow depths range from roughly 150 to 220 cm around the Coquihalla and 100 to 150 cm around Manning Park.

Weather Summary

Monday Night

Mostly clear skies. 10 to 20 km/h northeast ridgetop wind. Treeline temperature 0 °C. Freezing level 3000 m.

Tuesday

Mostly cloudy. 20 to 30 km/h southwest ridgetop wind. Treeline temperature 0 °C. Freezing level 2800 m.

Wednesday

A mix of sun and cloud with 1 cm of snow. 10 to 30 km/h southwest wind. Treeline temperature -1 °C. Freezing level 2000 m in the afternoon.

Thursday

A mix of sun and cloud. 10 to 30 km/h southwest wind. Treeline temperature 0 °C. Freezing level 3000 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be careful with wind-loaded pockets, especially near ridge crests and rollovers.
  • The best and safest riding will be on slopes that have soft snow without any slab properties.
  • Back off slopes as the surface becomes moist or wet with rising temperatures.

Avalanche Problems

Wind Slabs

Recent wind has varied in direction so watch for wind slabs on a variety of aspects.

Aspects: North, North East, East, West, North West.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2

Loose Wet

If the sun is out and the wind is calm, the snow may become wet and become an avalanche problem.

Aspects: East, South East, South.

Elevations: All elevations.

Likelihood: Unlikely - Possible

Expected Size: 1 - 1.5