Avalanche: Chugach State Park

Location: Williwaw Lakes, Chugach Front Range

Date:

March 25, 2020 1:54pm

Observer:

Joe Stock

Route & General Observations

Out touring around the Williwaw Lakes above Anchorage.

Avalanche Details

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Trigger	Cornice	Remote Trigger	No
Avalanche Type	Cornice Fall	Aspect	Northwest
Elevation	4000ft	Slope Angle	70deg
Crown Depth	unknown	Width	100ft
Vertical Run	1000ft

Avalanche Details

We watched a massive cornice avalanche off a sub peak of Williwaw. It sent up a large powder cloud and the debris looked dry.

Weather & Snow Characteristics

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Weather

Beautiful day!

Snow surface

Variable wind board, smooth corn, powder, old freezing rain crust....

Snowpack

Variable, but not signs of instability.

Photos & Video

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The terrain near Williwaw Lakes where we saw the cornice fall.

Photo of the cornice that broke off yesterday. It's above the big rock face. It broke off when we were further down the valley, so I couldn't get a photo of the action.

Location

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