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
02/21/2018 - 12:30

Snowpack Observation
Chickadee Ridge

Mount Rose Area
Recent storm snow over poorly developed near surface facets. Forecaster
02/21/2018 - 12:00

Snowpack Observation
Castle Peak/Andesite Peak

Donner Summit Area
Built out cornices just below Castle Peak.  W-NW ridge is scoured to firm crusts with up to 8'' of wind blown snow on leeward side. Exposed SW-W aspects at 8200' on Andesite Peak are well scoured with little to no snow available for transport. Forecaster
02/20/2018 - 13:15

Snowpack Observation
South side of Grouse Rock

Blackwood Canyon or Ward Canyon Area
Wind scoured W aspects. Small skier triggered cornice failure on E aspect with very minor cracking on wind slab below. Forecaster
02/20/2018 - 12:00

Snowpack Observation
Black Butte

Carson Pass Area
Professional Observer
02/19/2018 - 12:00

Snowpack Observation
Tamarack Peak

Mount Rose Area
Small wind slab, 8-10'', on N aspect at 9200' in near treeline terrain.Cornices release onto wind loaded slopes did not result in any wind slab failure.NW/N aspect on Far East Ridge of Tamarack was scoured back to firm crusts with cornice removed by NW winds.Skin track was refilled by wind within 2 hours along ridgeline by NW winds. Forecaster
02/18/2018 - 12:00

Snowpack Observation
Rubicon Peak

West Shore Area
Wind scoured N aspects at 9000'. Forecaster
02/17/2018 - 09:30

Snowpack Observation
Chickadee Ridge

Mount Rose Area
Tiny, superficial wind slab near treeline, too small to present a significant hazard.More tiny, superficial wind slab near treeline, too small to present a significant hazard. Forecaster
02/16/2018 - 11:30

Snowpack Observation
Silver Peak

Cabin Creek, Deep Creek, or Pole Creek Area
Forecaster
02/15/2018 - 11:15

Snowpack Observation
Ellis Peak

Blackwood Canyon or Ward Canyon Area
Tale of two aspects - 1.8m deep snowpack on N aspect in the foreground and obvoiusly thin snowpack on solar aspects in the background.Wind effected snow surface below treeline on NNW aspect.Minor, inconsequential wind slab noted in near treeline terrain. Forecaster
02/14/2018 - 12:00

Snowpack Observation
Meiss

Carson Pass Area
Examining new wind slab of less than 2 inches deep and less than 6 foot downhill extent.Maximum extent of cracking observed in tiny, inconsequential wind slab. Forecaster
02/13/2018 - 12:00

Snowpack Observation
Grouse Rock

Blackwood Canyon or Ward Canyon Area
Wind scoured E aspect at 8300' on Grouse Rock.Very small superficial wind slab in near treeline terrainWind effected surface snow.Wind scoured N aspect at 8200'. Forecaster
02/12/2018 - 11:00

Snowpack Observation
Slab Cliffs

Mount Rose Area
 Skier triggered cracking on a very small, isolated wind slab on a WNW aspect at 9700 ft. Light wind scouring from recent NE winds. Forecaster
02/11/2018 - 12:00

Snowpack Observation
Elephant's Hump

Carson Pass Area
Looking across at the E and SE aspects of Red Lake Peak with the N aspects of Elephant's Hump in the foreground.Ski tracks showing soft snow in the shade and icy crusts in the sun.Significant melting that has occurred on an E-NE aspect at 7900 ft. on the skin into Elephants Hump. Forecaster
02/11/2018 - 11:45

Snowpack Observation
Castle Valley

Donner Summit Area
Educator

Tahoe Mountain Scho
02/11/2018 - 11:00

Snowpack Observation
Incline Peak

Mount Rose Area
Rock hard icy conditions on tracked east facing slopes.Freshly transported snow just east of summit. Below treeline around 5 inches of soft near surface facets provided fun skiing. Professional Observer

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