Backcountry Avalanche Advisory 

As of Wednesday, April 21

Please note that "Backcountry" refers to any areas outside the Ski Area Boundary

Alpine: Moderate through Friday

Treeline: Moderate through Friday

Below Treeline: Moderate through Friday

Travel Advisory: Cornices and unsupported features are the most significant concern at all elevations. A mostly isothermal snowpack has been on the move for several days now. Snow that is located in steep terrain, especially below treeline, is falling from features and plowing deep trenches until it deposits dense debris when it reaches lower angle terrain.

Avalanche Activity: Natural size 1.0 to 2.0 loose wet avalanches have been observed over the last few days. Cornices have been fragile when tested and will remain that way until conditions change significantly.

Snowpack: Significant amounts of melt and rain water are saturating the snowpack in all areas. The strength of the morning surface crust depends mainly on overnight cloud cover. Clear nights are the best condition for crust recovery. Expect crusts to break down quickly with exposure to the sun.

Weather: A passing area of low pressure on Wednesday will give way to a weak ridge on Thursday. Freezing levels will drop for Thursday morning, but the cooler temperatures will be short lived. Freezing levels are expected to rise to at least treeline again on Thursday afternoon, and another mild low pressure system is expected to arrive on Friday.

 

 

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