Tahoe National Forest Sierra Avalanche Center

Snowpit dug just below ridgeline in open treed and wind loaded terrain.

Surface roller ball activity occurring in below treeline terrain at 9000' and below.

Pit dug in near treeline terrain.

PST 3/100 END @ 76cm on buried surface hoar layer with a 20cm artificial slab, approximately 1F- hardness. Test performed similar to Birkeland/ van Herwijnen to INCREASE LOAD ON WEAK LAYER FRACTURE.

Pit nearby a previous pit to compare pwl

Pit dug in below treeline terrain with good protection from NE winds.

Pit dug in un-skied BC terrain outside the gates of Kiroro resort. Clustered rounded grains from 2018.01.09 rain event.

Snowpit dug in near treeline terrain to compare previous observation (from Jan. 12) on buried faceted layer. Snowpack test results showed mostly stable results today in contrast from previous observation.