Avalanche: Douglas Island

Location: West Bowl Eaglecrest (Ski Patrol Avalanche Mitigation)

Date:
Observer:
Tucker Cooper Professional
Route & General Observations

Eaglecrest Ski Patrol Avalanche Mitigation in West Bowl.

 

Avalanche Details
If this is an avalanche observation, click yes below and fill in the form as best as you can. If people were involved, please provide details.
Trigger ExplosiveAvalanche Type Hard Slab
Aspect North NortheastElevation 2600ft
Slope Angle 30degCrown Depth6ft
Width 60ftVertical Run 350ft
Avalanche Details

Triggered with 8lbs ANFO w/2lbs Pentex primer as the detonation unit.
Stepped down on three distinct layers each with faceting between.
220cm crown at its highest.
MFcr Base potentially from MLK day.

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)?No
Cracking (Shooting cracks)?No
Observer Comments

Natural avalanches observed a few days prior along with snow machine triggered slides.

Weather & Snow Characteristics
Please provide details to help us determine the weather and snowpack during the time this observation took place.
Weather

0600 (Snow study site at the Nest)
Current Temp - 23 Deg F
Current Precip - S-1
Max Temp (24hrs) - 29 Deg F
Min Temp (24hrs) - 23 Deg F
Snow Depth - 131 inches
HN24 - 10.2 inches
HST - 19.6 inches
Wind - 14kts w/gusts to 38kts out of 115.
SWE - roughly 2 inches

Snow surface

PP

Photos & Video
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Highest Portion of the Crown 220cm.  

Good visual of the different layering.  

Looking up at 'Gunners"  

Looking up at "High Point"  

Toe of Debris.  

Location