Avalanche Forecast

Issued: Dec 3rd, 2021 4:00PM

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

Avalanche Canada TRettie, Avalanche Canada

Email

Wind slab hazard still remains in the alpine and upper treeline. Carefully assess the wind slab hazard as you gain elevation in search of better riding conditions.

Summary

Confidence

High -

Weather Forecast

Friday night: low of -15 at 1500m with light alpine winds. No precipitation expected.

Saturday: high temperature at 1500m -10. light to moderate winds from the Northwest. up to 15cm of new snow with the higher amounts expected for the Southwest part of the region.

Sunday: high of -10 at 1500m, moderate winds from the Northwest in the alpine. Some light flurries with little accumulation.

Monday: No new snow expected. High of -13 at 1500m. Light to Moderate Northwest winds in the alpine.

Avalanche Summary

On Wednesday the region saw a widespread natural avalanche cycle to size 3.5 on all aspects with some running full path. Wet slab avalanches were observed in the below treeline on all aspects up too size 2.5. Hard frozen debris will likely be found in the runout of most avalanche paths.

Snowpack Summary

Recent strong winds have formed wind slab in all exposed terrain in Alpine and upper treeline. A new crust has formed below 2000m with moist snow underneath.

The average snowpack depth at treeline is 250cm.

Terrain and Travel

  • Watch for newly formed and reactive wind slabs as you transition into wind affected terrain.

Problems

Wind Slabs

An icon showing Wind Slabs

Large wind slabs will be found in the alpine and upper treeline. These slabs will remain sensitive to rider traffic. Avoid wind loaded terrain.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood

Possible - Likely

Expected Size

1.5 - 2.5

Valid until: Dec 4th, 2021 4:00PM

Login