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Archived

Avalanche Forecast

Feb 14th, 2012–Feb 15th, 2012
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
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
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: Kootenay Boundary.

Confidence

Good - -1

Weather Forecast

The general weather pattern is forecast to continue: warm days & cold nights, little to no precipitation, little significant wind. The exception to this may be Thursday with a small disturbance moving through bringing some cloud and a dusting of snow.

Avalanche Summary

Surface snow has been sluffing readily with rider traffic on steep shady slopes (northerly facing) and strong solar radiation has resulted in afternoon snowballing and isolated small wet loose avalanches. Deep persistent slab avalanches remain possible with heavy triggers (like cornices) in shallow rocky snowpack areas on unsupported slopes.

Snowpack Summary

5-15cm of fresh snow is sitting on the major surface hoar created at the beginning of the month. This interface will be one to watch as it receives more snow load and/or the slab settles. Below that 30cm of near-surface facets can be found on shady slopes while a sun crust can be found on southerly aspects. Moist snow reported to near treeeline. In shallow snowpack areas concerns remain for the mid-December persistent weakness down around 80-100cm and for basal facets.

Avalanche Problems

Deep Persistent Slabs

Large avalanches remain a concern in shallow rocky areas where they could be triggered with a very heavy load, such as cornice fall.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 3 - 7