Avalanche: Hatcher Pass

Location: Arkose Ridge/ Pk 5100

Route & General Observations

Managed to link up the 3 bowls East of Delia creek.
Very large cornices.

Illegal snow machine activity in the valley system south of USGS “Lonesome Mine.”

Avalanche Details
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Trigger UnknownRemote Trigger Unknown
Avalanche Type UnknownAspect Unknown
ElevationunknownSlope Angleunknown
Crown DepthunknownWidthunknown
Vertical Rununknown  
Avalanche Details

Lots of wet loose activity on sunlit slopes, initiating off rocks.
Semi-recent slab avalanches on Divide Ridge, 2 side by side. South aspect, ~3000’.
Recent slab avalanche 1 ridge east of USGS “the knob.” East aspect, ~3750’, 1-2’ crown, ~150’ wide. Possible remote trigger, the debris covered tracks below. Unfortunately no photo.
Sluffing in steep + shaded terrain.
Evidence of prior cornice collapse in north bowl of pk 5100.

Weather & Snow Characteristics
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Blue, sunny, mostly calm at ridge tops, cold in shade.

Snow surface

Powder, faceting in certain places, very slight wind texture, suncrusts

Photos & Video
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