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Archived

Avalanche Forecast

Jan 6th, 2014–Jan 7th, 2014
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
Treeline
3: Considerable
The avalanche danger rating at treeline will be considerable
Below Treeline
2: Moderate
The avalanche danger rating below treeline will be moderate
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
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
3: Considerable
The avalanche danger rating in the alpine will be considerable
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

Regions: Kananaskis.

The big news for the next couple of days is - no new precipitation and lots of strong westerly winds to redistribute last weeks storm snow and create new wind slabs or thicken preexisting slabs. Watch for local wind effects due to local variability.

Confidence

Good

Weather Forecast

Winds increasing as temperatures rise.  Increased wind action along ridgetops on Monday with winds forecast to increase in all elevation zones over the next 24 hours.

Avalanche Summary

No new avalanche activity observed during travel on Monday.

Snowpack Summary

Quick tour in Hero's Knob area with travel restricted to areas BTL - weak unconsolidated base prevalent up to 2200m.  Some redistribution of snow beginning due to increased westerly flow.

Avalanche Problems

Wind Slabs

Westerly winds will continue to increase in strength over the next 24-48 hours.
Enter your line well below ridge crests to avoid wind loaded pillows.>Avoid lee and cross-loaded terrain near ridge crests.>

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

Elevations: Alpine, Treeline.

Likelihood: Very Likely

Expected Size: 1 - 4

Loose Dry

Loose dry sluffing from steep terrain will  increase in likelihood due to strong westerly flow.
Sluffs may trigger deeper instabilities.>Avoid travelling under cliffs that are exposed to sluffing from above.>

Aspects: North, North East, East.

Elevations: Alpine.

Likelihood: Very Likely

Expected Size: 1 - 2

Persistent Slabs

Be aware of the potential for loose or slab avalanche activity  to step down into deeper weak layers and involve the entire winter snowpack.
Be aware of the potential for full depth avalanches due to deeply buried weak layers.>Be aware of thin areas that may propogate to deeper instabilites.>

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible - Likely

Expected Size: 2 - 6