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Observation Date: 
01/20/2017
Observer Name: 
Darce Trotter / Steve Cote
Region: 
Skyline
Location Name or Route: 
Big Meadow
Weather
Sky: 
Broken
Precipitation: 
Light Snowfall
Wind Direction: 
Southwest
Wind Speed: 
Moderate
Weather Comments: 
We lucked out and got into Big Meadow in window of visibility, Sun even broke through for a while, but by early afternoon socked back in, SW winds building throughout the day, one wave looked menacing, but then turned south.
Snow Characteristics
New Snow Depth: 
3"
New Snow Density: 
Medium
Snow Surface Conditions: 
Rain-Rime Crust
Snow Characteristics Comments: 

As would be expected, this new snow came in much warmer, and did not amount to much, but off interest is the crunchy rime/rain? crust widespread but much weaker in sheltered areas, but was stiffer out in the open, and when combined with some wind effect, made for some thicker turns.  Having been spoiled by stellar conditions in the last few weeks did not hamper the fun.  We did notice a couple of cornice falls along Wedding Ring Ridge, but in a lot of places the cornice building has progressed to the point they have deformed to the point of contact with snow beneath them.  We noticed some riming in the trees in places, but not everywhere. 

Red Flags
Red Flags: 
Poor Snowpack Structure
Red Flags Comments: 
Rime crust could be a player with big load applied, surface hoar that is on everyones mind is now capped with 3" of denser snow topped with this rime crust, and wind crusts in more exposed terrain
Avalanche Problem #1
Type: 
Storm Slab
Trend: 
Increasing Danger
Problem #1 Comments: 

more snow forecast and we have a couple of layers of concern at old snow interface. 

Avalanche Problem #2
Type: 
Cornice
Trend: 
Increasing Danger
Problem #2 Comments: 

new snow and wind  will again create new problems

Snow Profile
Aspect: 
Northeast
Elevation: 
9200
Slope Angle: 
20
Comments: 

we are really only concerned with the upper layers of the snow pack, measured with a probe at this location, Steve hit 270 cm!!

175 cm at Miller Flat

had to rescue interval board at Miller Flat 

Today's Observed Danger Rating: 
Low
Tomorrows Estimated Danger Rating: 
Moderate
Snow Profile Coordinates: 
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