Observation: Summit

Location: Manitoba

Route & General Observations

Manitoba main face wind carnage.

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)?No
Observer Comments

On a very gentle aspect (10-15 degrees) felt a significant layer collapse. Felt the snowpack drop about 2” (felt like a trampoline) and sounded like the fracture travelled a distance (a wild guess of 50-100 feet). No fracture was visible afterward though.

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

Sunny, no wind, and in the teens.

Snow surface

Extremely wind hammered above tree line and less wind affected below tree line.


Didn’t dig a snow pit. Hardpacked sustrugi up high and nice dry powder in the areas sheltered by trees.

Photos & Video
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