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
12/15/2019 - 02:30
Snowpack Observation 		Red Lake Peak
Carson Pass Area 		small mid slope slide signs of wind transport signs of rain crust on plants? signs of rain crust on rocks? Public
12/26/2018 - 14:00
Snowpack Observation 		Munchkins Zone - East Bowl
Blackwood Canyon or Ward Canyon Area 		Looking south down the ridge. Scoured western slopes and small cornices on the eastern slopes Small cornice broke easily after second kick. Cornice break from underneath. Public
04/17/2021 - 11:00
Snowpack Observation 		Mt. Judah
Donner Summit Area 		Rough snow surface conditions on the E face of Mt. Judah. Isolated small pockets of recent storm snow that had yet to undergo melt were encountered on the approach. 2-3 inches of of surface wet snow on top of supportable crust mid slope (~8,000') on E aspect terrain at 11 am. Rough snow surface conditions on the south side of Mt. Judah. Forecaster
12/12/2020 - 12:45
Snowpack Observation 		Tamarack Peak
Mount Rose Area 		Reverse tracks on N aspect Cracking and small slabs in top 2” of snow Wind transport onto S aspect Public
12/29/2022 - 12:00
Snowpack Observation 		Blue Lakes
Carson Pass Area 		A very small, natural trigger wind slab avalanche along the Border Ruffian ridgeline Wind transport patterns on the snow surface, even in the trees well below ridgeline Professional Observer
12/03/2022 - 17:00
Avalanche Observation 		Mt. Watson
Sawtooth Ridge to Tahoe City 		Public
12/19/2019 - 14:30
Snowpack Observation 		Rubicon Peak
West Shore Area 		sastruigi scoured and loaded Professional Observer
01/02/2019 - 10:00
Snowpack Observation 		Porcupine Ridge
Luther Pass Area (including Job and Freel) 		A thin wind slab over roughly 15cms of very weak NSFs The wind slab varied in thickness and strength, but did show ability to crack. A lot of Surface Hoar in this area. North facing slopes held some impressively large Surface Hoar. Professional Observer
10/27/2021 - 13:00
Avalanche Observation 		Relay Peak and Tamarack Peak
Mount Rose Area 		Public
12/15/2020 - 09:15
Snowpack Observation 		Above long creek
Yuba Pass Area 		EctP7down35 cm. On dec 11 layer December 11 facet layer Snow pit Public
01/01/2023 - 10:00
Snowpack Observation 		Rubicon Peak East Face
West Shore Area 		Public
12/07/2022 - 11:00
Snowpack Observation 		Mt. Watson
Sawtooth Ridge to Tahoe City 		Widespread surface hoar existed in this area. ECTP26 that failed on the Dec 1st facet layer. Forecaster
12/22/2019 - 13:15
Snowpack Observation 		Andesite peak
Donner Summit Area 		Small windslab on test slope Shooting cracks on test slope prior to the small slab releasing Educator
Tahoe Mountain Scho
01/07/2019 - 15:00
Snowpack Observation 		Incline Lake Peak
Mount Rose Area 		Kicking at the uphill side of the skin track yielded storm slab cracking at 8,400 feet. ECTN12 20cm down at the bottom of the dense storm slab. N aspect at 9,100 feet. CT8 at the same storm slab layer as the ECTN. This compression test also broke CT24 Q2 at the top of the crust sandwich layer in the old snow Public
11/12/2021 - 11:00
Snowpack Observation 		East Ridge of Tamarack Peak
Mount Rose Area 		ECTN below the old rain crust on a developing layer of weaker snow Breakable crust on shaded aspects Soft wet surface snow on sunny aspects Lots of exposed bushes, areas of dirt, and creeks Clouds iand fog indicating inversion conditions until about 11am. Forecaster

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