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Backcountry Advisory

As of Wednesday, April 18



Treeline: LOW

Below Treeline: LOW

The avalanche danger will increase with daytime warming and sun exposure.

Travel Advisory: Up to 35 cm of snow have accumulated in the alpine and near treeline over the significant crust that formed over the Easter weekend. Below treeline there is a 2-5 cm crust over moist isothermal snow. Watch for new overhanging cornice tabs if you are traveling along the ridgelines and be prepared for barely covered chunks of old avalanche debris.

Avalanche Activity: Little avalanche activity has been observed over the past few days despite some periods of strong winds and snowfall. Isolated pockets of soft slab should be expected in the alpine and daytime warming is likely to have a significant effect on the snow over the April 9 crust with any significant break in the clouds. Expect loose size one wet activity when the sun comes out, and be wary of larger loose wet action if the sun stays out.

Snowpack: Without a major weather event the April 9 crust and the snow that has accumulated over it are the key features in the snowpack right now. Up to 25 cm of soft slab with pockets of stiff windslab have been dressed up by a soft blanket of cold snow that fell on Tuesday night. Expect snowballing and rapid settlement over the next few days.

Weather: Unsettled weather with sunny breaks and isolated snow showers are expected through Friday. Saturday could be the best day of the weekend with another weak system threatening to move our way on Sunday.

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