Avalanche: Portage / Placer

Location: Skookum Drainage

Date:
Observer:
Route & General Observations

Snowmachined up Placer Valley, low visibility and cool temps prompted a quick skin lap in the trees.

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 SnowboarderAvalanche Type Unknown
Aspect SouthwestElevation 500ft
Slope AngleunknownCrown Depth 3in
Width 10ftVertical Run 10ft
Avalanche Details

Wind slab broke on a small rollover, ran less than 10 ft. Adjacent slope was not very steep. Less than 10 ft wide, possibly less. This particular elevation band was suspect on the way up.

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?No
Collapsing (Whumphing)?No
Cracking (Shooting cracks)?Yes
Observer Comments

Shooting cracks from wind slab

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

Overcast, low visibility ceiling, 10F, clam winds, low to moderate snowfall

Snow surface

1-2 inches light fresh

Snowpack

Hand pit show 1-2 inches fresh over a 1-2 inch stubborn wind slab. Then 2-3 inches soft unconsdolidated snow on top of a very stout 3-inch rain crust. Discussed this on the way up, agreed that if the wind slab broke, then the 2-3 inches below would likely cause miminal harm. Slope was not very steep, also agreed that steeper runs should probably be avoided for the day.

Photos & Video
Please upload photos below. Maximum of 5 megabytes per image. Click here for help on resizing images. If you are having trouble uploading please email images separately to staff.