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Observation: Brighton Perimeter

Observation Date
2/2/2018
Observer Name
chester
Region
Salt Lake » Big Cottonwood Canyon » Brighton Perimeter
Location Name or Route
Brighton perimeter
Weather
Sky
Obscured
Wind Direction
Northwest
Wind Speed
Moderate
Weather Comments
Up 1pm-430. Cloud bases 9600'. Milk jug/flat light in clouds. No sun. Trace of snow fell 4pm. Warm.humid. pine trees swaying a bit in gusts.
Snow Characteristics
New Snow Depth
3"
New Snow Density
High
Snow Surface Conditions
Powder
Wind Crust
Melt-Freeze Crust
Damp
Snow Characteristics Comments
2"-3 rode surfy/creamy a big improvement for 3". Well bonded Bottomfeeding.
Red Flags
Red Flags
Wind Loading
Cracking
Poor Snowpack Structure
Red Flags Comments
Snow was lightly being transported in places. Thin windslabs observed. Small Cracking was se aspect with a small winddlab, failing below sun crust with faceting below. Did not see cracking on other aspects/ other aspects small winddlab seemed well bonded maby due to humidity.
Avalanche Problem #1
Problem
Persistent Weak Layer
Trend
Increasing Danger
Problem #1 Comments
Known issue. Wind Loading past 48 hours for tomm.
Avalanche Problem #2
Problem
Wind Drifted Snow
Trend
Increasing Danger
Problem #2 Comments
Winds forcasted nw. New snow =Lots of snow avail for transport. SE aspect melt/freeze crust may have facets below.
Today's Observed Danger Rating
Moderate
Tomorrows Estimated Danger Rating
Considerable