Avalanche Forecast

Issued: Nov 26th, 2015 4:00PM

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

snow safety, Parks Canada

Banff Yoho Kootenay.

Small windslabs are still a problem in the alpine. Intense, localized, solar heating may create overhead hazard.

Summary

Weather Forecast

Clear conditions and warmer temperatures are forecast for Friday and Saturday. In sheltered and sunny locations it can be expected to get above freezing for a short period. Localized temperature inversions will also be common.

Snowpack Summary

Below treeline the snowpack has set up well and is slowly facetting, Above treeline and in open areas there are numerous windslabs of varying depth. Poorly bonded windslabs over facets typical of the Rockies can still be expected in thin areas and ridgetop areas.

Avalanche Summary

No new avalanches reported.

Confidence

Freezing levels are uncertain on Friday

Problems

Wind Slabs

Small windslabs are possible in isolated locations, perhaps providing a surprise during otherwise good conditions. The main concern is for terrain traps (above cliffs, gullies) where small avalanches have bigger consequences.

Be careful with wind loaded pockets while approaching and climbing ice routes.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood

Unlikely - Possible

Expected Size

1 - 2

Valid until: Nov 27th, 2015 4:00PM