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
12/11/2020 - 11:15
Snowpack Observation 		Silver Peak
Cabin Creek, Deep Creek, or Pole Creek Area 		Snowpit from a below treeline avalanche path. The snowpack was shallow and weak. Patches of dirt below 7000 ft. More wind affected slopes near the ridge. Forecaster
12/10/2020 - 16:15
Snowpack Observation 		Blue lakes
Five Lakes Area 		Public
12/10/2020 - 12:00
Snowpack Observation 		Silver Peak
Cabin Creek, Deep Creek, or Pole Creek Area 		Guide
Alpenglow Expeditio
12/10/2020 - 11:00
Snowpack Observation 		Incline Lake Peak
Mount Rose Area 		Wind scoured ridgelines. Minimal snow on E aspects below 8600' Forecaster
12/10/2020 - 09:45
Snowpack Observation 		Grouse Rock
Blackwood Canyon or Ward Canyon Area 		Educator
Tahoe Mountain Scho
12/09/2020 - 09:45
Snowpack Observation 		Andesite Peak
Donner Summit Area 		Terrain trap in below treeline terrain with weak snow on the surface. More exposed upper elevation terrain that has been scoured. Forecaster
12/08/2020 - 13:00
Snowpack Observation 		Mt Judah
Donner Summit Area 		70cm HS with growing surface faceted layer under crust at 8100' NE aspect bad photo but crust breaks and slides easily on top of upper faceted layer weak dry faceted snow in upper near surface layer wild surface conditions on exposed SE aspect at 8200' Public
12/08/2020 - 11:00
Snowpack Observation 		Mt. Lola
Independence Lake Area 		Forecaster
12/07/2020 - 11:30
Snowpack Observation 		Castle Peak
Donner Summit Area 		Southerly aspects showing lots of snow melt and loss. Near surface faceting on W aspects in open below treeline terrain. Forecaster
12/06/2020 - 12:00
Snowpack Observation 		Squaw Ridge
Carson Pass Area 		Professional Observer
12/06/2020 - 10:45
Snowpack Observation 		Lincoln Ridge
Yuba Pass Area 		Wind scoured ridgetops with solar aspect melt to bare ground at 7,800'. Pit location on N aspect at 7,729. Well developed, dry and loose near surface facets from a hand pit. Good snowcover on the roads with loose cold snow for good machine cooling above 7,000'. Forecaster
12/05/2020 - 10:00
Snowpack Observation 		NW of Incline Peak
Mount Rose Area 		Decent quality "corn like" snow on wind protected SE aspect around 9,500'-9,600'. Snowcover continues to disappear on E to SE aspects, especially below 8,800'. Previous E wind scouring below treeline on N aspect terrain creating elevated old tracks. Forecaster
12/04/2020 - 12:00
Snowpack Observation 		Scout Peak
Echo Summit Area 		Snow at ground interface in pit profile was wet and compressible. Slopes with rocks, logs, and stumps. Thin melt freeze crust on sunny aspects below tree line. Pit profile showing wind slab at surface. 8-10cm of boot pen on South aspect @ 13:30 Professional Observer
12/04/2020 - 11:00
Snowpack Observation 		Becker Ridge
Echo Summit Area 		Looking down north aspects to lake. Looking out towards Desolation Wilderness. Forecaster
12/03/2020 - 11:00
Snowpack Observation 		Mt. Judah
Donner Summit Area 		Thin snow coverage throughout this area. Looking south along the Sierra Crest Looking at the E face of Judah Forecaster

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