Avalanche Forecast

Issued: Nov 21st, 2016 3:00PM

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

Alberta Parks jeremy.mackenzie, Alberta Parks

Isolated pockets of wind slab are still sensitive to human triggering in steep and unsupported terrain.

Summary

Confidence

Moderate -

Weather Forecast

Tuesday will be mainly cloudy with no precipitation expected. Winds will be out of the SW at 25km/h at ridge-top and Alpine temperatures should reach a high of -8 °C. Longer range forecasts are calling for a small amount of new snow (around 5cm) to fall on Thursday.

Avalanche Summary

No new avalanches observed or reported in the past 48hrs.

Snowpack Summary

At treeline up to 20cm of low density snow is overlying Nov 12th crust. Isolated wind slabs are present in the Alpine in lee and cross loaded features. There is an average of 50-60cm of snow at 2200m and this depth tapers quickly with elevation.

Problems

Wind Slabs

An icon showing Wind Slabs
Wind slabs overlying the Nov 12 crust may be sensitive to human triggering. Use caution around ridge lines, gullies and cross-loaded terrain.
Caution in lee and cross-loaded terrain near ridge crests.Be careful with wind loaded pockets while approaching and climbing ice routes.

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

Elevations: Alpine, Treeline.

Likelihood

Unlikely - Possible

Expected Size

1 - 2

Valid until: Nov 22nd, 2016 2:00PM