| Recent Avalanches? | No |
| Collapsing (Whumphing)? | Yes |
| Cracking (Shooting cracks)? | No |
Observation: Summit
Location: Spirit Walker
Approach to Manitoba and continued up mills creek to 3700′ on spirit walker ridge
Obvious signs of instability
Observer Comments
Several small collapses under a melt freeze crust @ 2300'
Weather
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'
Snowpack
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.
Storm moving in Thursday afternoon near Manitoba
Pit Profile March 5th, 2015