Observation: Summit

Location: Spirit Walker

Route & General Observations

Approach to Manitoba and continued up mills creek to 3700′ on spirit walker ridge

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

Several small collapses under a melt freeze crust @ 2300'

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

Calm winds, broken skies, temperatures in the 30s. No precip in the am followed by moderate snowfall above 2500' at 3pm.

Snow surface

Melt freeze crust with a thin layer of new snow on top in the morning. In the afternoon new snow on top had been melted from 2000-2500'


2000-2500' Mostly supportable melt freeze layer just below the surface 5-10cm thick.
2500-3500' Variable snowpack depth and structure. We dug a pit at 3150' that had high strength, no propagation, but poor structure.

Snow Pit: 3150' on Spirit Walker ridge, W aspect. HS: 165cm Angle: 25*
ECT N PC Down 20cm from surface
PST 67/100 End Down 50cm from surface in layer of rounding facets.

Photos & Video
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