Avalanche Forecast

Issued: Feb 7th, 2012 4:34PM

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.

Despite the "Low" hazard rating pay extra attention for wind slabs at higher elevations. Temperatures are still cool up high and it is taking longer for things to settle out . Check out our Facebook link for a picture of a recent skier triggered slab

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 (above 2800m) on the lee side of alpine ridges.

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

Elevations: Alpine.

Likelihood

Unlikely - 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 8th, 2012 4:00PM