Avalanche Forecast

Issued: Nov 23rd, 2015 4:00PM

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

tim mcallister, Parks Canada

Jasper.

More low density snow to 10 cm expected overnight. Still early season conditions with rocks and rhubarb poking through. Careful at ridge-tops with a shallow snowpack.

Summary

Weather Forecast

The snow started Monday afternoon and up to 10cm is expectedÂ and ending Tuesday. Winds shifting Northerly mid-storm and temperatures dropping. It will be clear skies, cold overnight temperatures, and Northeasterly winds the remainder of the week.

Snowpack Summary

Field observations in the Parkers area found snow depths vary between 10 to 140 cm. Where significant loading has occurred the snow remains stubborn and does not want to propagate. A further 10cm is forecast overnight is coming in with moderate winds.

Avalanche Summary

Limited observations today due to cloud cover. Increased avalanche activity suspected to increase after this latest pulse.

Confidence

Timing of incoming weather systems is uncertain on Tuesday

Problems

Wind Slabs

Previous strong to moderate winds have formed wind slabs on cross-loaded and lee aspect slopes. They remain stubborn to trigger as no significant sliding layer exists underneath them.

Early season hazards such as rocks, trees and stumps are still visible.Be cautious as you transition into wind affected terrain.

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

Elevations: Alpine, Treeline.

Likelihood

Unlikely - Possible

Expected Size

1 - 3

Valid until: Nov 24th, 2015 4:00PM