OUTSIDE ADVISORY AREA – following observation sent in:
Location: Steep North facing slope adjacent to “$1000 dollar run”.
Aspect: N-NE (40 deg)
Slope Angle: Estimated at 32 deg.
Discussion: an avalanche was remotely triggered from about 30 feet
away by a skier that propagated up valley and to the top of the
ridge line. Classified as an SS-AS-R4-D2-I. No one was caught,
carried, or buried.
There were natural avalanches observed on almost all N and E
facing slopes due to the wind event during/after the 4/07 storm.
This group also noticed three separate whumps on the climb to the
Stability tests adjacent to the trigger point:
Compression tests showed similar results with CT14Q1 (SC) down
Propagation saw test with results of PST40cm,100cm (Arr) down 56cm
on 040711 new/old snow interface.