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
12/04/2022 - 13:45
Avalanche Observation 		Fireplug
Mount Rose Area 		Public
12/04/2022 - 13:30
Snowpack Observation 		Upper Castle Creek
Donner Summit Area 		Fist hard facets buried under recent storm snow. Easy results on compression test. Fracture character was Sudden Collapse. Guide
Tahoe Mountain Scho
12/04/2022 - 13:05
Avalanche Observation 		Tamarack Peak - South end of Proletariat Face
Mount Rose Area 		NE aspect, near treeline, ~9,800' NE aspect, near treeline, ~9,800' NE aspect, near treeline, ~9,800' Cracking extending well out into low angle N aspect terrain. Climber left end of the crown, the deepest, most wind loaded section at about 3 feet of slab. Forecaster
12/04/2022 - 11:00
Snowpack Observation 		Mt. Lola
Little Truckee Summit Areas 		Guide
West Wind Collecti
12/04/2022 - 10:34
Avalanche Observation 		Castle Peak
Donner Summit Area 		Round facettes on the bed surface with 6" of new Sun/Mon snow on top. Public
12/04/2022 - 10:30
Snowpack Observation 		Tamarack
Mount Rose Area 		Public
12/04/2022 - 04:00
Avalanche Observation 		Whites Creek
Mount Rose Area 		Public
12/04/2022 - 03:00
Avalanche Observation 		Tamarack Peak - Far East Ridge
Mount Rose Area 		Forecaster
12/04/2022 - 02:00
Avalanche Observation 		Silver and Poulsen Peaks
Cabin Creek, Deep Creek, or Pole Creek Area 		Partially filled in avalanches on NE aspects of a peak between Silver and Poulsen Peak Mostly filled in persistent slab avalanche on N facing terrain on Silver peak Mostly filled in persistent slab avalanche on NNE facing terrain on Silver peak Forecaster
12/04/2022 - 02:00
Avalanche Observation 		Deer Creek
Sawtooth Ridge to Tahoe City 		2 natural avalanches that occurred during the storm on Saturday (12/3) night or Sunday (12/4) morning. A close up of the one on the right that broke all the way across this slope. Forecaster
12/03/2022 - 17:00
Avalanche Observation 		Mt. Watson
Sawtooth Ridge to Tahoe City 		Public
12/03/2022 - 15:30
Snowpack Observation 		Tahoe Meadows
Mount Rose Area 		Public
12/03/2022 - 12:22
Snowpack Observation 		Judah Saddle
Donner Summit Area 		Guide
Blackbird Mountain Guid
12/03/2022 - 12:01
Snowpack Observation 		Andesite
Donner Summit Area 		Cinnamon roll near top of Andesite Roller balls and cinnamon rolls on andesite Guide
Alpenglow Expeditio
12/03/2022 - 12:00
Snowpack Observation 		Mt. Judah
Donner Summit Area 		A whumpf was felt in this terrain on a small test slope, NE aspect, BTL Active wind loading on the Judah Summit Ridge Ski kicks on small cornice features did not propagate. Limited visibility with storm strengthening by midday. Forecaster

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