Avalanche Forecast

Issued: Dec 13th, 2012 8:12AM

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

burke.duncan, Alberta Parks

Kananaskis.

Another windy day in the alpine today. Hard slabs are quickly becoming the main concern. Tread carefully when approaching ridgelines and crossloaded areas.

Summary

Confidence

Good

Weather Forecast

High -7 & Low of -12, winds decreasing to moderate (25-40 km/hr) and very light precip.

Avalanche Summary

no new obs

Snowpack Summary

HSL building at TL & ALP, settled midpack and 1106 crust down 70-80

Problems

Wind Slabs

Windslabs are creeping their way down from ridgeline. When approaching windy areas, these slabs may be quickly encountered.

Avoid lee and cross-loaded terrain near ridge crests.>

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

Elevations: Alpine, Treeline.

Likelihood

Possible

Expected Size

2 - 5

Persistent Slabs

The infamous November crust could be easier to trigger now that the wind has blown the surface snow away.

Avoid steep slopes below cornices.>

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

Elevations: Alpine, Treeline.

Likelihood

Unlikely - Possible

Expected Size

3 - 6

Valid until: Dec 14th, 2012 2:00PM