Avalanche: Hatcher Pass

Location: Stairstep

Date:
Observer:
Allie Barker Forecaster
Route & General Observations

Another large persistent slab was remotely triggered today on a WNW aspect at 4000’ on Stairstep. We have limited information on this avalanche. Please share @ info@hpavalanche.org if you have more details. This avalanche is the 5th remotely triggered avalanche in a week. This avalanche problem will continue to be isolated, hard to find, and carry consequences if caught and carried. With uncertainty around the distribution and reactivity of this problem, evaluate snow and terrain carefully to identify features of concern.

Contact, Location & General Observations
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Forecaster Comments

Parties reported no signs of instability during their tour prior to triggering the avalanche . Crown is estimated at 24" deep.

Avalanche Details
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Trigger SnowboarderRemote Trigger Yes
Avalanche Type Soft SlabAspect West Northwest
Elevation 4000ftSlope Angleunknown
Crown DepthunknownWidthunknown
Vertical Rununknown  
Red Flags
Red flags are simple visual clues that are a sign of potential avalanche danger. Please record any sign of red flags below.
Observer Comments

No other slab avalanches have been reported since 4/5. See recent obs for more info.

Photos & Video
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Same avalanche, close up of tracks, 4/7 Recent remotely triggered persistent slab on Stairstep WNW 4000'  

Same avalanche, close up of tracks, 4/7 Recent remotely triggered persistent slab on Stairstep WNW 4000'  

Same avalanche, close up of tracks, 4/7 Recent remotely triggered persistent slab on Stairstep WNW 4000'  

4/7 Wet loose on Skyscraper SE 4000'  

4/7 Another perspective on the Stairstep avalanche  

Location
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