Observation: Little Cottonwood Canyon

Observation Date
4/17/2019
Observer Name
mark white
Region
Salt Lake
Location Name or Route
Cardiff Fork and LCC
Weather
Sky
Clear
Wind Direction
Northwest
Wind Speed
Light
Weather Comments
Cool and clear in the am, increasing clouds and warming in the afternoon, light winds on the high ridge line.
Snow Characteristics
New Snow Depth
12"
New Snow Density
Medium
Snow Surface Conditions
Powder
Dense Loose
Damp
Snow Characteristics Comments
The new snow from yesterday had settled out, seized up and dried out. On most aspects there was a spongy crust with 4 to 5 inches of recrystallized light density snow on top. Some wind damage was noted on SE and W facing aspects.
Red Flags
Red Flags
Recent Avalanches
Rapid Warming
Comments
Thing seemed pretty seized up until about 10:30 or so this morning, with easy travel and creamy snow, except for the large avalanche on the South face of Superior. I talked to Mark from UDOT on my way out and to my surprise he said it was a natural avalanche that ran on a layer of graupel. The snow on the E starting going off around 10:30 causing an avalanche that I put on the avy page, and more activity on Cardiac Ridge. By the time I got back to SE facing Cardiff Bowl the whole slope had cleaned out leaving large debris piles at the bottom, I was glad I bailed when I did. On my way down the canyon I noted slides from yesterday or today in the White Pine Chutes, Little Pine, the Y and Y Not couloirs, and a nice one way down low in Pearlas. I would think only high N would have survived the sun today and all other aspects will be crusted.
photos: the natural on Superior, slides in Cardiff Fork, Cardiff Bowl and Pearlas down at the bottom of the canyon 
Today's Observed Danger Rating
Moderate
Tomorrows Estimated Danger Rating
Moderate

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