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Archived

Avalanche Forecast

Feb 8th, 2019–Feb 9th, 2019
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
1: Low
The avalanche danger rating below treeline will be low

Regions: Kananaskis.

Temps are going polar again on the weekend.  Small emergencies become very serious in these temps .  Try to stay in the sun!

Confidence

High -

Weather Forecast

A few cm of snow fell on friday and we may see a few more but not a significant amount.  The cold temps are returning on Saturday....

Avalanche Summary

A few new loose dry avalanches but overall no new slab activity was observed.

Snowpack Summary

Isolated windslabs can be found in alpine terrain along ridgelines and in cross loaded feature but the overall lack of wind has been suprising!  These slabs are on all aspects also due to the recent northerly flow.  The upper snowpack continues to facet and in thinner areas, the entire snowpack is facetting.  Generally the midpack is supportive and bridging the weaker basal facets but dont forget this weak base.  Depth hoar and large facets dominate the base of the snowpack and large triggers such as a cornice, or avalanche in the upper snowpack could wake up this weakness.  Thin areas are also likely places where one could trigger the basal facets so be thinking about thick to thin terrain....

Avalanche Problems

Wind Slabs

The alpine has windslabs along ridgelines and in crossloaded features.
Be careful with wind loaded pockets while approaching and climbing ice routes.If triggered the wind slabs may step down to deeper layers resulting in large avalanches.

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

Elevations: Alpine.

Likelihood: Unlikely - Possible

Expected Size: 1 - 2

Deep Persistent Slabs

Thin areas should are where you could wake up the basal layers....
Be aware of the potential for full depth avalanches due to weak layers at the base of the snowpack.Carefully evaluate and use caution around thin snowpack areas.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 1.5 - 3