Avalanche Forecast

Issued: Feb 9th, 2012 4:00PM

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

brian webster, Parks Canada

Banff Yoho Kootenay.

The high pressure ridge will persist at least until the weekend. Sunny skies, light winds and freezing levels around 1500 m are forecasted.

Summary

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

The weather pattern is stable

Problems

Wind Slabs

Field observations show wind slabs still exist at higher elevations. Areas of most concern are above 2800m on the lee side of alpine ridges.

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

Elevations: Alpine.

Likelihood

Possible

Expected Size

2 - 3

Cornices

Strong winds from earlier in the month have created large cornices on lee (mostly easterly) aspects. Several large cornice collapses have been observed over the past week. These cornices could be a big enough to trigger a deep slab.

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

Elevations: Alpine.

Likelihood

Possible - Likely

Expected Size

2 - 3

Valid until: Feb 10th, 2012 4:00PM