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Observation: Snowbasin Backcountry

Observation Date
1/14/2017
Observer Name
Bill Hunt
Region
Ogden » Snowbasin Backcountry
Location Name or Route
Snowbasin backcountry
Weather
Sky
Clear
Wind Speed
Calm
Weather Comments
Bluebird day, not too warm although SE facing slopes around 7000' did have a zipper crust setting up around 3PM.
Snow Characteristics
New Snow Density
Low
Snow Surface Conditions
Powder
Dense Loose
Snow Characteristics Comments
Good conditions in general. Sunhit slopes are getting sun affected, and may need some sun softening, but not too much sun, to be reasonable.
Red Flags
Red Flags
Recent Avalanches
Red Flags Comments
Didn't see any slides today, but the size of the crowns from a few days ago is impressive.
Avalanche Problem #1
Problem
Persistent Weak Layer
Trend
Decreasing Danger
Problem #1 Comments
We didn't get on anything in the 40 degree range other than the explosive controlled Mt Ogden area, which is still considered backcountry these days, and needs a backcountry level of caution. The many significant crowns show the potential instability that was exhibited a few days ago.
Avalanche Problem #2
Problem
Cornice
Trend
Same
Problem #2 Comments
There are some huge cornices out there, especially above 9000'. Its difficult to tell how far back they could break.
Comments
There are some impressive cornices in the upper elevations; photo at 9400', east facing.
Surface hoar has grown rather large in the upper elevations; photo at 9400', W aspect.
Today's Observed Danger Rating
Moderate
Tomorrows Estimated Danger Rating
Moderate