Avalanche Forecast

Issued: Dec 22nd, 2015 4:52PM

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

Avalanche Canada brian webster, Avalanche Canada

Summary

Weather Forecast

Mostly sunny with cool temperatures and light alpine winds through to Christmas Day.

Snowpack Summary

10-20cm of recent snow with Light to Moderate SW winds has formed isolated wind slabs in immediate lee areas in the alpine. The Dec 3 surface hoar is 40 to 70cm deep and generally found between 1700 and 2150m. This interface is gaining strength over time and recent snow-pack tests are producing variable shears in moderate to hard range.

Avalanche Summary

No new natural slab avalanches have been observed.

Confidence

Problems

Wind Slabs

An icon showing Wind Slabs

Isolated slabs soft slabs are present in immediate lee areas in the alpine.

  • Use caution in lee areas. Recent wind loading has created wind slabs.

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

Elevations: Alpine.

Likelihood

Unlikely - Possible

Expected Size

1 - 2

Persistent Slabs

An icon showing Persistent Slabs

The Dec 3 surface hoar is 40-70 cm down and producing variable shears in the moderate to hard range. Dig down to identify and test this layer before committing to  steep, open or convex terrain below tree line.

  • Dig down to find and test weak layers before committing to a line.

Aspects: All aspects.

Elevations: Alpine.

Likelihood

Unlikely - Possible

Expected Size

1 - 2

Valid until: Dec 23rd, 2015 4:00PM