Avalanche: Brighton Perimeter 4/22/2011

Observer Name: 
brandondodge
Observation Date: 
04/22/2011
Occurrence Date: 
04/22/2011
Occurrence Time: 
Morning
Region: 
Salt Lake
Big Cottonwood Canyon
Brighton Perimeter
Location Name: 
Brighton Basin
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Location

40° 34' 46.3512" N, 111° 35' 43.242" W
Avalanche Characteristics
Elevation: 
10000'
and above
Aspect: 
North
Northeast
East
Trigger: 
Skier
Trigger: additional info: 
Unintentionally Triggered
Avalanche Type: 
Soft Slab
Weak Layer: 
Facets Above Crust
Depth (avg): 
unknown
Width: 
Unknown
Vertical: 
Unknown
General Comments

Observed widespread avalanche cycle this morning with-in the last couple days storm snow. New snow stiffened by yesterdays winds and colder temps was very sensitive early this morning. Human trigger slides ranging 8-12" were seen in Twin Lakes pass, Turscarora, Wolverine and Brighton. New snow seemed to settle out with solar warming, although day time temps stayed quite cool. Most aspects received sun and thus had light crust by late in the day.

New snow was sliding on facets above Mondays rain crust in most of the human triggered slides. ( tuscarora, twin lakes, wolverine) from what i could tell based on reports and depth 8-12". Wind loading and aspect seemed to be the biggest players

Control work yeilded results both above and below Mondays rain event.

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