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 Media Observation made by
01/20/2018 - 11:00
Snowpack Observation 		National Geographic Bowl, Granite Chief Peak
Cabin Creek, Deep Creek, or Pole Creek Area 		Shooting crack is small windslabWidespread Surface HoarCornice drop results Guide
Alpenglow Expeditio
01/20/2018 - 11:45
Snowpack Observation 		Hourglass Bowl
Mount Rose Area 		Public
01/20/2018 - 12:30
Snowpack Observation 		Elephant's Hump
Carson Pass Area 		Forecaster
01/20/2018 - 14:00
Snowpack Observation 		Andesite Ridge
Donner Summit Area 		Guide
Tahoe Mountain Scho
01/21/2018 - 12:00
Snowpack Observation 		Tamarack Peak
Mount Rose Area 		Small wind slab triggered by a ski kick on a wind-loaded test slope on the far east ridge of Tamarack Peak.Small wind slab triggered by a ski kick on a wind-loaded test slope on the far east ridge of Tamarack Peak. Forecaster
01/21/2018 - 12:00
Snowpack Observation 		Crater Lake
Carson Pass Area 		Professional Observer
01/21/2018 - 13:40
Snowpack Observation 		Castle Peak NW Face
Donner Summit Area 		Public
01/21/2018 - 16:07
Snowpack Observation 		Andesite Peak
Donner Summit Area 		Educator
Tahoe Mountain Scho
01/22/2018 - 11:00
Snowpack Observation 		Andesite Peak
Donner Summit Area 		Small cracking on above a ENE wind-loaded slope near the summit of AndesiteSkier-triggered pinwheels at 8000 ft. Forecaster
01/22/2018 - 12:00
Snowpack Observation 		Castle Pass/Andesite Peak
Donner Summit Area 		Educator
Donner Summit Avalanche Semina
01/23/2018 - 10:32
Snowpack Observation 		meiss
Carson Pass Area 		Public
01/23/2018 - 11:00
Snowpack Observation 		Lincoln Ridge
Yuba Pass Area 		False color image showing small skier triggered cracking due to the surface hoar failure in an area where the 4cm of snow above the surface hoar was slightly denser. N aspect 7600 ft. Wind scoured surfaces along the ridgeline at 7800 ft. Forecaster
01/23/2018 - 12:00
Snowpack Observation 		Squaw Ridge
Carson Pass Area 		Professional Observer
01/23/2018 - 12:00
Snowpack Observation 		Silver Peak
Cabin Creek, Deep Creek, or Pole Creek Area 		Visible horizontal line mid sample is the buried surface hoar layer at snowpit location.Windward slopes with up to 6'' of available snow for wind transport tomorrow. Forecaster
01/23/2018 - 15:14
Snowpack Observation 		East Lincoln
Donner Summit Area 		Public

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