Avalanche Forecast

Issued: Jan 7th, 2014 8:07AM

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

ali haeri, Parks Canada

Glacier.

Summary

Weather Forecast

Ridge of high pressure is breaking down as a pacific low pressure system makes its way to the interior. Today, inversion continues with warmer temperatures up high. Increasing cloudiness with a few breaks, winds to remain light. Light precipitation to begin late tonight and into Wednesday with more moderate amounts to continue into Thursday.

Snowpack Summary

Settlement of recent storm snow continues in upper snowpack. Thin sun crust was observed on steep south aspects. Mid pack is well settled. Lower snowpack still has more facetted crystals but is showing signs of strength more typical for this region.

Avalanche Summary

Few loose avalanches size 1.0 observed in the highway corridor and in the backcountry yesterday.

Confidence

on Tuesday

Problems

Wind Slabs

Be cautious on the lee of ridge crests or on cross loaded terrain where previous wind slabs may still linger.

Be cautious as you transition into wind affected terrain.

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

Elevations: Alpine.

Likelihood

Possible

Expected Size

1 - 3

Storm Slabs

Snowpack tests yesterday showed instabilities in the upper 60cm in the moderate range.

The new snow will require several days to settle and stabilize.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood

Possible

Expected Size

1 - 2

Valid until: Jan 8th, 2014 8:00AM