These observations document past conditions at a small and variable scale. They are not to be confused with an avalanche forecast. They come from a variety of sources. We can only vouch for the quality of those produced by the SAC forecasters and professional observers.
Date and time of observation or avalanche occurrence Location Region Observation Type Photos Snowpack, Avalanche, Weather Videos Snowpit videos (tests, etc) Observation made by
12/18/2021 - 14:46 Incline peak Mount Rose Area Snowpack Observation Public
12/18/2021 - 13:00 Stevens Peak Carson Pass Area Avalanche Observation Public
12/18/2021 - 12:13 Round Top Shoulder Carson Pass Area Avalanche Observation Public
12/18/2021 - 12:00 Lincoln Ridge Yuba Pass Area Snowpack Observation Early stages of blowing/drifting snow ahead of tomorrow's increasing winds. Boot top amounts of snow on the ridgetop available for wind transport/redistribution. Deep Tap Tests on old snow layers near the bottom of the 2m deep snowpack. Forecaster
12/18/2021 - 12:00 Andesite Peak Donner Summit Area Snowpack Observation Large surface hoar in Castle Valley Large surface hoar in Castle Valley Settlement cone on Andesite Peak Guide
Alpenglow ExpeditionshA
12/18/2021 - 12:00 Blue Lakes Carson Pass Area Snowpack Observation Professional Observer
12/17/2021 - 15:38 At the crest Little Truckee Summit Areas Snowpack Observation Public
12/17/2021 - 14:00 Johnson Canyon Donner Summit Area Snowpack Observation 10mm Surface Hoar on N-NE-E at 6,900' 3-4mm SH at 6,300' Guide
West Wind CollectivehW
12/17/2021 - 12:30 North Side of Kingsbury Grade East Shore Area Snowpack Observation Public
12/17/2021 - 12:00 Tamarack Peak Mount Rose Area Snowpack Observation Recent NE wind texture Snowpit tests on a 2.3m snowpack Signs of settlement in the new snow. Cornice pieces dropped onto a wind-loaded test slope did not trigger cracking or other signs of instability. Forecaster
12/17/2021 - 12:00 Tram Ridge Cabin Creek, Deep Creek, or Pole Creek Area Snowpack Observation 1-2mm Surface Hoar Guide
Alpenglow ExpeditionshA
12/17/2021 - 09:00 Incline Peak Mount Rose Area Snowpack Observation Public
12/16/2021 - 14:30 SE Slide Path on Waterhouse Peak Luther Pass Area (including Job and Freel) Snowpack Observation Public
12/16/2021 - 14:02 Andesite Ridge Donner Summit Area Snowpack Observation Public
12/16/2021 - 13:23 Frog Lake area Carson Pass Area Snowpack Observation Wind features present at the trailhead. Trailhead two weeks ago. Small cornice development. (before ski cut). Cornice after ski cut. Wind effected snow below tree line. Pit profile. Compressible snow within Nov. 9th layer. Clean planar results on dense layer within the top 20cm. Professional Observer

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