Avalanche

Avalanche: Twin Lakes Pass

John LemnotisSalt Lake
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Quick report

Slope Angle
35°

Avalanche

Slab Width
76 m
Weak Layer
Facets
Trigger Type
Snowboarder
Vertical Fall
122 m
Avalanche Type
Soft Slab
Slab Thickness
36 cm
Trigger Detail
Intentionally Triggered
Start Zone Aspect
East
Avalanche Problem
Wind Slab
Start Zone Elevation
3139 m

Touchy conditions in the backcountry today in avalanche country. Low visibility, moderate winds, and snowfall made for conservative decision making. Touring towards patsy marley from twin lakes pass I moved towards the ridge to look east. My partner and I had experience some cracking and collapsing earlier in the tour so we were not surprised when the slope released for a SS-Ar-U-R1-D2 on what was likely a density change. E facing slopes has received significant wind loading with cornice formation over the passed 2 days. The crown appeared to be 30-40cm deep running over rocky terrain with several covex rollers. Give wind loaded slopes and cornices plenty of space right now as they are touchy. I would recommend staying off of slopes >30 degrees right now on W-N-E aspects where old snow was present before the most recent storm. S aspects have enough snow to get down but are still very boney and rocks/trees are barely covered. Early season conditions still exist and now we have a couple of different slabs forming in our snowpack.