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Archived

Avalanche Forecast

Feb 6th, 2025–Feb 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
2: Moderate
The avalanche danger rating below treeline will be moderate
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
2: Moderate
The avalanche danger rating below treeline will be moderate
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
2: Moderate
The avalanche danger rating below treeline will be moderate

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

Be careful as you transition into wind-affected terrain.

In sheltered areas, a persistent weak layer may remain triggerable.

Confidence

Moderate

Avalanche Summary

No new avalanche activity has been reported since last weekend. (See photos for details)

Looking forward, we expect naturally triggered avalanches to be unlikely, but human triggering to remain possible.

Snowpack Summary

20 to 60 cm of snow accumulated over the last storm cycle, with the highest amounts falling in the western parts of the region and lowest amounts near Manning Park.

The storm snow is sitting on a weak layer that developed in late January. In many areas, this layer consists of a hard crust. However, on shady, upper-elevation slopes, the new snow may be resting on faceted grains or surface hoar. Wind-effect has been extensive, and wind slabs can be found on various aspects extending well into treeline features.

A crust from December is buried 80 to 120 cm deep and may have facets around it in shallow areas. Otherwise, the lower snowpack is well consolidated.

Weather Summary

Thursday Night

Clear. 15 km/h west ridgetop wind. Treeline temperatures -13 °C.

Friday

Sunny. 10 to 15 km/h west ridgetop wind. Treeline temperatures -11 °C

Saturday

Mostly cloudy. 20 to 30 km/h west ridgetop wind. Treeline temperatures -10 °C.

Sunday

A mix of sun and cloud. 15 km/h variable ridgetop wind. Treeline temperatures -14 °C

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.
  • Fresh snow rests on a problematic persistent slab, don't let good riding lure you into complacency.
  • Keep in mind that human triggering may persist as natural avalanches taper off.

Avalanche Problems

Wind Slabs

Recent wind varied in direction, so watch for wind slabs on all aspects. Be extra cautious transitioning into wind affected terrain.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible - Likely

Expected Size: 1 - 2

Persistent Slabs

A weak layer of facets/surface hoar/crust are sitting under storm snow buried up to 60 cm deep. Remain cautious on steep slopes and watch for signs of instability.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Possible

Expected Size: 1 - 2.5