Avalanche: Portage / Placer

Location: Headwall of Skookum Glacier

Route & General Observations

Snowmachined up Skookum glacier in search of good snow. No joy! Turned around at the bottom of the Skookum glacier headwall up track. Natural avalanche to the lookers left of the up track. Numerous natural slides observed in the same elevation band and higher.

Avalanche Details
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Trigger NaturalRemote Trigger0
Avalanche Type Hard SlabAspect North Northeast
Elevation 2400ftSlope Angle 30deg
Crown Depth 18inWidth 100ft
Vertical Run 50ft  
Red Flags
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Obvious signs of instability
Recent Avalanches?Yes
Collapsing (Whumphing)?No
Cracking (Shooting cracks)?No
Observer Comments

Yes. Natural slides up and down on both sides of the Skookum glacier valley. All crowns in the mid to upper elevation bands.

Weather & Snow Characteristics
Please provide details to help us determine the weather and snowpack during the time this observation took place.

Clear and cold (high single digits-low teens). No new snow. Calm wind. Valley ice fog.

Snow surface

Melt-freeze crust up 2,350 ft. Highest elevation gained before turning around. Rain runnels seen into the mid elevation band.


Granular (sugar) snow beneath melt-freeze crust.

Photos & Video
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