Tahoe National Forest Sierra Avalanche Center

Pit dug in near treeline terrain to observe progression of faceting.

Pit dug to monitor progression of faceting.

Pit dug in below treeline terrain is a partially burned forest.

Pit dug in below treeline terrain in an area of partially burned forest.

Pit dug in below treeline terrain.

Testpit dug to look at new snow load on basal layers.

Pit dug in near treeline terrain to assess graupel layer over rain crust under new snow loading conditions.

Pit dug in near treeline terrain.

A fairly uniform 30 cm of new snow in wind protected locations across the area. This testpit was dug just below the ridgetop in a newly forming wind pillow/nascent cornice to assess wind slab stability.