Avalanche Forecast

Issued: Nov 21st, 2021 3:00PM

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

Avalanche Canada JMackenzie, Avalanche Canada

Strong winds continue on Monday. Wind slabs dominate the landscape.

Summary

Confidence

Moderate -

Weather Forecast

Monday will be warm and windy. Temps will climb to -2 by midday with SW winds up to 140km/h at Ridgetop. Very light flurries with minimal accumulations are expected. Tuesday could see 10cm of new snow.

Avalanche Summary

Nothing noted or reported today. 

Snowpack Summary

Up to 4cm of new snow in the past 24 hours, which is quickly being blown away by the intense wind at ridgetop. There is an obvious crust down 20-30cm in the trees below 2100m. Above 2200m the crust gradually turns into wind slabs of varying hardness. Recent north winds have loaded southern slopes near ridges. Expect wind slabs on all aspects except where the wind has scoured down to rock.

Terrain and Travel

  • Approach lee and cross-loaded slopes with caution.
  • Recent wind has varied in direction so watch for wind slabs on all aspects.

Problems

Wind Slabs

An icon showing Wind Slabs

Wind slabs dominate the landscape in the Alpine and in open areas at Treeline.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood

Possible

Expected Size

1 - 2

Valid until: Nov 22nd, 2021 3:00PM

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