Observation: Public
Observation Details
Name:
Tod BloxhamObservation Date:
March 30, 2021Submitted:
March 30, 2021Zone or Region:
West NorthActivity:
Skiing/SnowboardingLocation:
White Salmon GlacierObserved Avalanches
Did you observe any avalanches?
YesAvalanche Type:
Soft SlabSize:
Size 3: Could bury and destroy a car, damage a truck, destroy a wood frame house, or break a few treesElevation:
5800Aspect:
NComments:
Debris in the White Salmon valley from recent wind slab on the eastern alpine edge of Shuksan Arm. Estimating the wind slab slid Sunday afternoon/evening during tail end of 3/28 storm from 5800' to valley floor. There was 6cm PP on the debris.Also saw lots of older debris and gouging from previous Wet Slabs.
Photo:
Signs of Unstable Snow
None reported
Observations
Upper elevations of Shuksan on the White Salmon were right side up and soft; upper snowpack was bonded well and no signs of sluffing or windslab; isolated pockets of 30cm deep PPgp found, with widespread PPgp on the surface; noticeable interfaces probed at 70cm and 155cm.
Skied very well until specific scouring and debris below 5200' from windslabs. No results from hand sheers down to 40cm (above and below treeline elevations).
Media
