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Avalanche: Hatcher Pass

Location: Nosehairs

Date:
Observer:
Route & General Observations

Came up the north side of the nosehairs. Dropped the south.

 

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 SkierAvalanche Type Soft Slab
Aspect SoutheastElevationunknown
Slope Angle 40degCrown Depth 14in
Width 40ftVertical Rununknown
Avalanche Details

We dug a pit at the top of the line. Extended Colum test did not break before 30 strikes. It wasn’t even breaking on a clean plane. The first skier dropped in, few turns into the line a soft slab broke and propagated. (In retrospect this is a great lesson in remembering that pit results don’t give you a reason to ride a line, but are more for giving you a reason to NOT ride a line). Then feeling like the best alternative was to ride down the bed surface of what had already slid I dropped into the line. As I rode through the hang fire I noted that the snow felt like it had warmed up from the sun it felt sticky and heavy, then the snow above the previous crown broke about 6’ above me and 20’ below me. I arrested into the bed surface and the slide went past. The bed surface was surpassingly crusty/icy. I then proceeded to do the falling leaf down the entirety of the run.

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

Other steep south aspects had slid naturally.

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

Sunny and hot

Snow surface

Dry in all aspects but steep southerly

Snowpack

ECT- no results. Weak layer seemed to be about 1’ from snow surface.

Photos & Video
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