Avalanche: Hatcher Pass

Location: Hatcher Pass Rd parking lot

Route & General Observations

Skied down from 1000 $ run, to creek. Chose a lower angle slope to descend to creek. First skier remote triggered a nearby steeper slope, propogated pretty wide and cleaned it down to moss crust. No one caught.


Contact, Location & General Observations
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Forecaster Comments

This kind of avalanche problem will persist for some time with 10" of new snow (Nov 7-8) sitting on a very poor basal snowpack structure. Sensitivity should decrease over days to weeks. Remotely triggered avalanches are a sign of very sensitive avalanche conditions that will be possible to trigger from some distance away, from below a slope, or adjacent slopes. These kinds of avalanches are difficult to predict. Shooting cracks, collapsing (whumphing), and recent avalanches are bulls eye signs for the problem. To avoid this problem travel on slopes less than 25 degrees and out from under the runnout of steeper slopes.

Avalanche Details
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Trigger SkierRemote Trigger Yes
Avalanche Type Soft SlabAspect Unknown
ElevationunknownSlope Angleunknown
Crown Depth 22inWidthunknown
Vertical Rununknown  
Avalanche Details

Estimate 20" deep, failed on facets over ice crust at ground. Estimate slope angle at 38 degrees.

Red Flags
Red flags are simple visual clues that are a sign of potential avalanche danger. Please record any sign of red flags below.
Obvious signs of instability
Recent Avalanches?Yes
Collapsing (Whumphing)?Yes
Cracking (Shooting cracks)?Yes
Observer Comments

Remotely triggered avalanche

Photos & Video
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