Avalanche: Hatcher Pass

Location: Marmot

Date:
Observer:
Route & General Observations

Ascend Marmot from fishhook lot, descend/ascend rae wallace, descend SW Marmot from top

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 North NorthwestElevation 4500ft
Slope Angle 46degCrown Depth 5in
Width 15ftVertical Run 20ft
Avalanche Details

Estimated size and slope angle. We did not witness, but pretty certain it happened today.
Rae Wallace

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

Small wind slab avalanche, SS-ASu?-R1D1-I on Rae Wallace, see other notes

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

Calm, -9C, Clear

Snow surface

NSF top ~10cm
Soft slab 10-15cm over NSF
1-6" New snow faceting

Snowpack

Multiple pits today studying wind slab, mid and basal weak layers.
See attached pit.
Strong strength, poor structure, low energy, high friction, low propagation

Photos & Video
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