Avalanche Forecast

Issued: Jan 6th, 2018 4:00PM

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

deryl kelly, Parks Canada

Jasper.

Weak, unconsolidated snow will sluff underfoot in steep terrain. Be cautious as these loose dry avalanches can quickly build mass.Snow in the short range forecast should bring a welcome refresh to the region.

Summary

Weather Forecast

Steady, seasonally mild temps in the -5 to -10 degree range. Generally light SW winds; gusting at ridge tops. Trace amounts of snow over night and through the day Sunday, continuing into the beginning of the week and accumulating to as much as 10 to 15cm by Tuesday.

Snowpack Summary

Multiple crusts still present, hiding below weak and faceted snow. Isolated pockets of wind slab above treeline. The midpack is generally supportive at treeline and into the alpine.

Avalanche Summary

No new avalanches observed or reported

Confidence

Intensity of incoming weather systems is uncertain on Sunday

Problems

Loose Dry

Main concern is for weak, unconsolidated snow on steep rocky features as well as areas in the alpine where a small sluff can build mass.

Be cautious of sluffing in steep terrain.

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

Elevations: Alpine, Treeline.

Likelihood

Possible

Expected Size

1 - 2

Wind Slabs

Be aware of steep gully features that may be loaded enough to release a small slab.

Approach steep lee and cross-loaded slopes with caution.