Avalanche Forecast

Issued: Dec 24th, 2012 8:11AM

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

ali haeri, Parks Canada

Glacier.

Summary

Weather Forecast

Nil to very light precipitation and light winds are expected today into tomorrow morning. A frontal system approaches the coast tomorrow and snow is expected to develop across the southern interior by midday. Light amounts are forecast for the Roger's Pass area.

Snowpack Summary

Low density snow in upper 15cm. Well settled mid-pack. The November 6 crust is down around 130cm. A profile on Mt Abbott, 2085m, NE aspect, gave a moderate test results down 22cm and a hard result down 52cm.

Avalanche Summary

Yesterday there were 11 natural avalanches observed east of the Roger's Pass summit, sizes ranging from 2.0 to 2.5.A size 2.0 low elevation glide crack release on the south side Mt Cheops.

Confidence

Due to the number of field observations

Problems

Wind Slabs

Instabilities may linger down 30 to 40cm in the snowpack that were reactive to skier triggering. They are located near ridge tops and on cross loaded terrain features.

Caution in lee and cross-loaded terrain near ridge crests.Pay attention to overhead hazards like cornices.

Aspects: North, North East, East.

Elevations: Alpine, Treeline.

Likelihood

Possible

Expected Size

1 - 2

Valid until: Dec 25th, 2012 8:00AM