Observation: GE Hill/Skyline Summit 12/29/2011

Observer Name: 
Gordon, Meisenheimer, Trotter, Cote
Region: 
GE Hill/Skyline Summit
Skyline
Observation Date: 
12/29/2011
Weather
Sky: 
Overcast
Wind Direction: 
West
Wind Speed: 
Moderate
Weather Comments: 

Westerly winds forming stout slabs on upper elevation leeward slopes

Snow Characteristics

Snow Surface Conditions: 
Faceted Loose
Wind Crust
Snow Characteristic Comments: 

Shallow snowpack is barely supportable for skis or boards, but there's no body to it and riders are augering into the dirt on most slopes.

Red Flags

Recent Avalanches
Wind Loading
Cracking
Red Flag Comments: 

We were able to trigger a small slab on a steep, east facing test slope at about 9,700' in elevation.

Primary Concern

Primary Concern: 
Wind Slabs
Aspect: 
North
Northeast
East
Elevation: 
High
Trend: 
More Dangerous
Primary Concern Comments: 

Forecast for increased winds this weekend will change the avalanche equation.

snow_profile_location: 
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Comments - Photos - Videos (group 1)

Darce triggered this small avalanche from about 15 feet away. Remotely triggered slides are a huge indicator to unstable snow.

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Video 1: 
Comments - Photos - Videos (group 2)

Stiff slabs have formed on slopes with an easterly component to their aspect. Triggering even a small slide will take you for a nasty ride through obstacles barely hidden under our thin snowpack.

Wedding Ring Ridge 2.jpg
Comments - Photos - Videos (group 3)

The December 1st wind event scoured much of our upper elevation terrain, stripping it down to dirt. Without a consistent storm track, the Skyline is white from far.... but far from white.

IMG_1769.JPG
Comments - Photos - Videos (group 4)

Some of the weakest snow we have found exists in wind sheltered terrain where you sink to loose, sugary facets near the ground. Recent winds have formed a cohesive slab on many slopes throughout the range. Even if you're riding on low angle terrain think about the terrain you're connected to. Look for and avoid steep slopes above and adjacent to where you're riding.

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Observed Danger Rating: 
Moderate
Forecast Danger Rating: 
Moderate

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