Avalanche: Chugach State Park

Location: Arctic Valley

Date:
Observer:
Michael Olive (Anchorage Nordic Ski Patrol)
Route & General Observations

Anchorage Nordic Ski Patrol – State Park Backcountry Patrol. Up valley from parking lot towards saddle overlooking south fork eagle river. Clear skies and sunny, some snow transport observed. Lots of anti-tracks and wind buff. Lots of folks out enjoying themselves. Found avalanche debris in Avalanche Gulley, practiced strategic shoveling, dug pit near flank of avalanche.

Avalanche Details
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Trigger UnknownRemote Trigger Unknown
Avalanche Type Hard SlabAspect Northwest
Elevation 3900ftSlope Angleunknown
Crown Depth3ftWidth 200ft
Vertical Run 600ft  
Avalanche Details

Avalanche Gulley.Did not witness slide. Slope was most likely wind loaded prior to the slide. Large slabs on lookers left cracked but did not realease. Large debris, some blocks 6 feet wide. Estimated slide ran 1500 feet. Alpha angle 20 degrees. Debris pile 120 cm deep at toe.

Photos & Video
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Debris pile from toe  

Pit profile near hanging blocks on lookers left.  

Route  

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Location
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