Observation: Girdwood

Location: Raggedtop Mountain Shoulder

Route & General Observations

Today we skinned up ragged mountain’s E shoulder, we found wind effect above treeline which varied from 1/4″ to 3″ slabs. We had several collapses and got one large collapse with shooting cracks that shot about 50 ft uphill of us at about 1500ft just as we got above treeline.

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)?Yes
Cracking (Shooting cracks)?Yes
Observer Comments

Shooting Cracks, whumphing

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

Wind slabs


we dug a pit right above the shooting crack, and we got no propagation in an ECT which I found interesting. We then dug 2 more pits right above the shooting crack and got the same results, no propagation.

Photos & Video
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