Avalanche Forecast

Issued: Jan 14th, 2012 8:01AM

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

jon schleiss, Parks Canada

Glacier.

Heads up, forecast moderate winds will quickly form wind-slabs with this very light new snow. Watch for fast sluffing.

Summary

Problems

Loose Dry

A storm has deposited 25cm of very light snow over night and more is in the forecast for today. This new snow is likely to sluff in steeper terrain. Avoid the sluff.

Aspects: All aspects.

Elevations: All elevations.

Likelihood

Likely - Very Likely

Expected Size

1 - 2

Wind Slabs

Wind slabs continue to remain the main concern at high elevations in the alpine. Use caution in the lee of alpine ridge crests and on cross loaded features. Sluffs in the new snow may trigger this layer causing larger avalanches.

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

Elevations: Alpine, Treeline.

Likelihood

Possible

Expected Size

1 - 3

Storm Slabs

A freezing rain crust down 50 - 60cm more prevalent west of Rogers Pass summit, shows signs of strengthening but skier triggering remains possible.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood

Possible

Expected Size

2 - 3

Valid until: Jan 15th, 2012 8:00AM