Route & General Observations
Standard Tincan uptrack to 2250′
|Elevation||2200ft||Slope Angle||37deg||Crown Depth||15in|
We came upon a skier/rider triggered avalanche, D1, soft/storm slab.
Obvious signs of instability
|Recent Avalanches?||Yes||Collapsing (Whumphing)?||No||Cracking (Shooting cracks)?||Yes|
Snowing 1+ inches an hr.
Observed a recent skier triggered avalanche and heard a report of a rider triggering a similar pocket of storm slab on a steep roll skinner's left of the skin track near treelike.
Shooting cracks in wind loaded areas at treeline.
Snowing 1+/inches per hr. = 5 inches of accumulation at the car from 11-3:30!!!
Temps in the high 20's
Moderate ENE Winds
1000'-2250' 12-18" of storm snow!
Dug a pit @ 2200' on a SE aspect. See Photo. Predominately a right side up snowpack.
ECTX, Found the Buried Surface Hoar and Near Surface Facets above the Thanksgiving rain crust. Both were none reactive in tests. Near Surface Facets were rounding and the Buried Surface Hoar was laid over.
Shovel tilt had no results.
Hand pits in wind loaded area produced easy shears.