Obs-Snow Profile: Mill D North 12/21/2010

Observer Name:

DaveKelly

Region:

Salt Lake
Big Cottonwood Canyon
Mill D North

Observation Date:

12/21/2010

Location or Route:

Spruces-Mill D North

Weather

Sky:

Overcast

Precipitation:

Light Snowfall

Wind Speed:

Calm

Weather Comments:

Light snow, Temperature was 22F at Tom's Hill. Winds were calm.

Snow Characteristics

New Snow Depth:

12"

New Snow Density:

Low

Snow Surface Conditions:

Powder

Snow Characteristic Comments:

Snow from 12.21.10 was much lower density then previous storm snow. Observed lack of cohesion in new snow but CT was not able to produce results in new snow because of low density. The crust about 70cm off the ground is the layer that appeared to be most unstable based on compression tests.

Red Flags

Recent Avalanches

Heavy Snowfall

Red Flag Comments:

Test slopes were highly reactive to ski cuts. Observed many naturals that had come down on BCC road.

Elevation:

9100'

Aspect:

West

snow_profile_location:

United States

40° 38' 55.3956" N, 111° 37' 29.9964" W

Observed Danger Rating:

Considerable

Forecast Danger Rating:

Considerable

Snow Profile Location

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