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Archived

Avalanche Forecast

Jan 27th, 2014–Jan 30th, 2014
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
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
2: Moderate
The avalanche danger rating below treeline will be moderate

Regions: Waterton Lakes.

Wind slabs may develop Wednesday through Thursday with the 15-20 cm of new snow that is forecast. This could push the avalanche danger higher.

Weather Forecast

Dry and sunny on Tuesday with temperatures remaining below freezing for mid elevation. Westerly winds Tuesday night will create thin slabs on north and east lee terrain. Snow and light winds are forecast Wednesday through Thursday. Some reports say we may get 15-20cm.

Snowpack Summary

Cooler temperatures the past few nights have helped to strengthen the snowpack. Test results on Monday on NW and SE aspects did not show any significant concerns. Shallow snowpack areas still will have weak basal facet issues. The 6 - 10 cm of new snow that fell on Sunday morning helped to freshen up the previously wind or sun affected surfaces.

Avalanche Summary

The  6-10 cm of new snow from Sunday morning has resulted in minor sluffing from steep terrain on all aspects.

Confidence

Intensity of incoming weather systems is uncertain

Avalanche Problems

Deep Persistent Slabs

Be conservative with your terrain selection and assess steep or unsupported planer slopes carefully where the snowpack may be thin. In these areas it may be possible to trigger the weak faceted area created early in the winter.
Make observations and assess conditions continually as you travel.Carefully evaluate and use caution around thin snowpack areas.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Unlikely

Expected Size: 2 - 3