Observation: Summit

Location: Tenderfoot

Route & General Observations

Standard uptrack to 2001′ elevation. No pullouts had been plowed from Lower Summit Lake to Manitoba.

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

On uptrack: Localized Cracking and Collapsing 3' around us averaging 40cm down. Big whumph at 2000' where pit was dug on 31 degree slope.

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

Clear, Calm Wind. Temp in the 20's.Cross loading on S/SE Aspects on upper elevations and ridges.

Snow surface

New snow from weekend storm, Surface Temp 1 degree C.


Hand Shear: Easy-Moderate down 40cm on Semi-Angular Facets
Snow Pit Depth 41cm, 0 is the ground.
CT: 1 Sudden Planar at 14cm on 0.5-1mm facets, some very angular some exhibiting slight rounding. Facets continued to the ground. Melt freeze crust layer within Facets

Photos & Video
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