Avalanche Forecast

Issued: Feb 4th, 2025 4:00PM

The alpine rating is considerable, the treeline rating is considerable, and the below treeline rating is moderate. Known problems include Persistent Slabs and Wind Slabs.

Avalanche Canada, Avalanche Canada

Coquihalla, Harrison-Fraser, Manning, Skagit.

Recent winds have been from all directions, take extra care transitioning into wind affected terrain. In some sheltered areas, a weak layer is preserved and continues to be reactive.

Summary

Confidence

High

Avalanche Summary

Thank you for all the great MIN reports this past weekend!

shooting cracks and a remotely triggered storm slab avalanche were reported in this MIN from southeast of Hope
snowpack tests in the Coquihalla area produced easy shears below the storm snow in this MIN

Snowpack Summary

30 to 60 cm of snow fell over the weekend.

In wind exposed areas, this new snow fell on a surface of wind affected old snow.

In sheltered areas, this new snow has fallen on a weak layer consisting of a combination of faceted grains, surface hoar, and a hard crust that formed during the January drought.

The mid snowpack contains a few other crust layers. One from December is buried 80 to 120 cm deep and may have facets around it in shallow areas.

The lower snowpack is well consolidated.

Weather Summary

Tuesday Night

Partly cloudy with possible flurries. 15 to 30 km/h ridgetop wind. Treeline temperatures -13 Â°C.

Wednesday

A mix of sun and cloud. Light southeast ridgetop wind. Treeline temperatures -13 Â°C.

Thursday

A mix of sun and cloud, up to 5 cm new snow. 10 to 15 km/h southwest ridgetop wind. Treeline temperatures -10 Â°C

Friday

Sunny. 10 to 15 km/h southwest ridgetop wind. Treeline temperatures -8 Â°C

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.
Fresh snow rests on a problematic persistent slab, don't let good riding lure you into complacency.
Recent wind has varied in direction, so watch for wind slabs on all aspects.

Problems

Persistent Slabs

Stay away from large steep slopes, and slopes that are sheltered where the weak layer of facets/surface hoar combined are sitting on a hard crust.

A widespread layer of facets has been reported around Manning park

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

Elevations: All elevations.

Likelihood

Possible

Expected Size

1 - 2.5

Wind Slabs

Previous southwesterly winds have veered into northeasterly outflow winds. Take extra caution when transitioning into wind affected terrain.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood

Likely

Expected Size

1 - 2

Valid until: Feb 5th, 2025 4:00PM