Avalanche: Patsy Marly

Observer Name
Alex Hardy
Observation Date
Sunday, December 15, 2024
Avalanche Date
Sunday, December 15, 2024
Region
Salt Lake » Little Cottonwood Canyon » Grizzly Gulch » Patsy Marly
Location Name or Route
Patsy Marley west face north corner
Elevation
9,600'
Aspect
Northwest
Trigger
Skier
Avalanche Type
Soft Slab
Avalanche Problem
Persistent Weak Layer
Weak Layer
Facets
Depth
18"
Width
20'
Comments
Cross load on a North face pocket on the west faceing slope. The deepest part was about 2 feet or so and the shallowest was about the new snow plus suncrust ? 5 inches ?
I ski this line [several options in a near proximity) often and the steep choke usually presents a slough or wet rollers depending on conditions. This day traversed above the danger zone and aproached from s to n with a ski cut that fractured and settled the top pocket. 2 turns released the 2nd pocket seen in attatched video. And again 2 more turns triggered the third pocket not shown. Same slight north from west aspect [wnww] down lower presented fractures.
What i saw was the rotted snow was faceting under the warm air / sun crust and the crossloading provided sufficient water weight plus skier to release the steep 2x falline hard slab pockets.
Video
Coordinates