11th Annual Utah Snow & Avalanche Workshop Open and Motorized Sessions Oct. 27th.
Observation Date: 
Observer Name: 
Location Name or Route: 
Catherines Basin: Rocky Point and Sunset, Martha's Bowl, and East Facing Pioneer Ridge Shot
Light Snowfall
Wind Direction: 
Weather Comments: 
WNW winds were strong in the morning and until mid afternoon on the exposed ridgelines, and also getting down into the basins. By late afternoon the winds appeared to die down significantly, yet they were still moderate on the exposed ridgelines. Transport and or wind blown was moderate throughout the day. Temperatures overnight at 8000 feet once again did not dip below freezing, and rose to 40 degrees by mid day. At the upper elevations the temperatures moderated and remained some what cool with the overcast skies preventing excessive heating. As a result the southerly facing slopes did not crust and or get damp above 9000.
Snow Characteristics
New Snow Depth: 
New Snow Density: 
Snow Surface Conditions: 
Dense Loose
Wind Crust
Melt-Freeze Crust
Rain-Rime Crust
Snow Characteristics Comments: 

Two to four inches of large (2+ mm) graupel covered the old snow surface, and the constant winds from the last 48 hours had helped break down the old tracks and smooth the surface out. The combination of this grooming by the wind and the graupel worked together to provide creamy carvable turning conditions. The low and moderate angle slopes rode the best, yet slopes of 35 to 40 degrees also rode well. The easterly aspects had the best riding conditions with fewer areas of wind crust and lingering old rime crust. 

Red Flags
Red Flags: 
Wind Loading
Poor Snowpack Structure
Avalanche Problem #1
Persistent Weak Layer
Decreasing Danger
Problem #1 Comments: 

With no human triggered slides in over a week, this problem appears mostly dormant right now, and the minimal new load from this latest event did not appear to increase the potential for failure and propagation in the previously cited basal facets.

Avalanche Problem #2
Wind Drifted Snow
Decreasing Danger
Problem #2 Comments: 

See above, and the highest elevations appear to continue to have strong winds, so this problem may only be confined to the upper elevation exposed terrain. 

Until the Persistent Slab issue has been put to bed permanently, the Danger Rating appears to be moderate. 

Today's Observed Danger Rating: 
Tomorrows Estimated Danger Rating: 
Snow Profile Coordinates: 

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