Avalanche: Hatcher Pass

Location: Lost Couloir

Date:
Observer:
Fred Trimble
Route & General Observations

Observed soft slab avalance in upper part of Lost Couloir from Gold Cord basin.

Contact, Location & General Observations
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Forecaster Comments

Likely that naturals occurred during 3/10-3/11 storm with wind

Avalanche Details
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Trigger NaturalRemote Trigger No
Avalanche Type Soft SlabAspect East
Elevation 5100ftSlope Angle 37deg
Crown DepthunknownWidthunknown
Vertical Run 500ft  
Avalanche Details

Natural releade soft slab avalance with crown face near the top of Lost Couloir. The debris ran down the entire length of the throat to the upper part of the repose fan. Another natural release soft slab avalance also occured just North of Lost Couloir.

Red Flags
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Obvious signs of instability
Recent Avalanches?Yes
Collapsing (Whumphing)?No
Cracking (Shooting cracks)?No
Observer Comments

Recent snow fall followed by a wind event transported some snow.

Weather & Snow Characteristics
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Weather

Clear, cold and sunny. Wind minimal.

Snow surface

New with wind effect.

Photos & Video
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Natural release soft slab avalance in Lost Couloir.  

Crown face visable at top of coulior  

Location
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