Avalanche Forecast

Issued: Nov 7th, 2012 3:54PM

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

Jim Phillips, Parks Canada

Glacier.

Recently small avalanche cycles have occurred during and soon after periods of intense snowfall or rain. Cold and dry weather forecast this weekend should stabilize the snowpack and reduce avalanche hazard. Early season ski conditions, be careful!

Summary

Problems

Storm Slabs

33 cm of storm snow in the past 36 hrs has resulted in an instability over a crust and old snow. This has been observed in a small avalanche cycle with size 2 to 3 avalanches early Nov 7 and shows in stability tests at treeline.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood

Possible

Expected Size

1 - 3

Wind Slabs

Strong south winds up to 60 km/h over the past 3 days has created windslab in alpine and upper treeline elevations on leeward terrain.

Aspects: North, North East, East.

Elevations: Alpine, Treeline.

Likelihood

Possible - Likely

Expected Size

1 - 3

Valid until: Nov 8th, 2012 3:54PM