Avalanche Forecast

Issued: Feb 4th, 2019 4:30PM

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

mbender, Avalanche Canada

Sea To Sky.

Windslabs have formed on variety of aspects with shifting winds. It's expected to stay cold for a few more days.

Summary

Confidence

High - The weather pattern is stable

Weather Forecast

TUESDAY: Mostly sunny, light to moderate northeast wind, alpine temperature -14 C.WEDNESDAY: Mix of sun and cloud, light north wind, alpine temperature -15 C.THURSDAY: Mainly cloudy with possible flurries, light northwest wind, alpine temperature -10 C.

Avalanche Summary

On Sunday there were a few reports of size 1 loose dry natural avalanches. On Saturday, several explosives triggered wind slab avalanches were reported to size 2 on northerly aspects in the alpine.

Snowpack Summary

40-50 cm of new snow from the end of last week has been redistributed by strong southwesterly winds initially and now northerly winds. This sits on a crust on all aspects except north and possibly a mixture of weak feathery surface hoar or sugary facets in isolated sheltered terrain at treeline and below. The remainder of the snowpack is generally well-settled.

Problems

Wind Slabs

Expect to find wind slabs on a variety of aspects as winds shift from predominantly southwesterly to northerly.

Be cautious as you transition into wind affected terrain.Be careful with wind loaded pockets, especially near ridge crests and roll-overs.

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

Elevations: Alpine, Treeline.

Likelihood

Unlikely - Possible

Expected Size

1 - 2

Valid until: Feb 5th, 2019 2:00PM