Avalanche Forecast

Issued: Jan 2nd, 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 and Deep Persistent Slabs.

steve blagbrough, Parks Canada

Jasper.

Cold temperatures forecast again for Saturday. Brrrrrrrrrrrrr. Wrap up warm.

Summary

Weather Forecast

Some light flurries and westerly winds with cold temperatures forecast on Saturday.

Snowpack Summary

A shallow low density upper snowpack sits on a strong, supportive mid-pack which is bridging a weaker facet base.

Avalanche Summary

No new avalanche activity observed in the forecast area.

Confidence

Problems

Wind Slabs

Continued slab development expected to occur on sheltered slopes and cross loaded features primarily in the alpine.

Be cautious as you transition into wind affected terrain.

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

Elevations: Alpine, Treeline.

Likelihood

Possible

Expected Size

1 - 2

Deep Persistent Slabs

This weak layer exists below a strong mid-pack at treeline and sub-alpine elevations. Large loads such as a cornice collapse or surface slides could trigger this deep persistent weakness.

Carefully evaluate and use caution around thin snowpack areas.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood

Unlikely - Possible

Expected Size

1 - 2

Valid until: Jan 3rd, 2015 4:00PM