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Observation: No Name Bowl

Observation Date
12/22/2014
Observer Name
Shaun
Region
Salt Lake » Park City Ridgeline » No Name Bowl
Location Name or Route
Lower No Name by Snowmobile flats
Weather
Sky
Obscured
Precipitation
Moderate Snowfall
Wind Direction
Northwest
Wind Speed
Strong
Weather Comments
Wind was getting funneled up through terrain features. Noticed micro bursts that came from East and South. Observed Graupel through out the day.
Snow Characteristics
New Snow Depth
15"
New Snow Density
Medium
Snow Surface Conditions
Dense Loose
Wind Crust
Melt-Freeze Crust
Rain-Rime Crust
Snow Characteristics Comments
Notice thick (1 inch) rain crust on all aspects @8200. Once above 8200 it diminished into a denser layer of snow beneath our skis.
Red Flags
Red Flags
Recent Avalanches
Heavy Snowfall
Wind Loading
Cracking
Collapsing
Poor Snowpack Structure
Red Flags Comments
Used a small 40degree test slope on a E-NE feature and kicked off a 15" new snow slab that failed on new snow old snow interface. Crown was about 10ft wide. Heard extensive whoomping.
Avalanche Problem #1
Problem
New Snow
Problem #1 Comments
Dug a pit at 8864ft on a NE aspect with slope angle of 23degrees. Snow Depth 90cm CTM 59 cm from ground. On New Snow Old Snow interface. Q1 SC
Avalanche Problem #2
Problem
New Snow
Problem #2 Comments
Pit @ 8864ft (same pit as above) ECTN @51cm from ground failed on our Persistent weak layer of buried facets
Snow Profile
Aspect
Northeast
Elevation
8,800'
Slope Angle
23°
Today's Observed Danger Rating
High
Tomorrows Estimated Danger Rating
Considerable
Coordinates