Avalanche Forecast

Issued: Mar 15th, 2012 4:00PM

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

snow safety, Parks Canada

Banff Yoho Kootenay.

Up to 15cm snow along the divide and possibly 15cm tonight. Eastern areas have received considerably less. Watch locally for snowfall amounts as this could bump the hazard to high in the alpine. Don't expose yourself to larger, exposed features. SH

Summary

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Forecast snowfall amounts are uncertain on Friday

Problems

Storm Slabs

Storm slabs 20-40cm thick formed over the last day are reactive to triggering in steeper areas. The storm will peter out by Friday morning but with additional snowfall and winds tonight, expect these to be reactive in the short term.

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

Elevations: Alpine, Treeline.

Likelihood

Likely

Expected Size

1 - 3

Persistent Slabs

The Valentine surface hoar is down 70-100 cm, and activity on this is slowly subsiding. Many of the large paths have run already, but any feature which hasn't has the potential to cause a large avalanche. We have low confidence in most avy terrain.

Aspects: All aspects.

Elevations: All elevations.

Likelihood

Possible - Likely

Expected Size

2 - 3

Valid until: Mar 16th, 2012 4:00PM