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
04/29/2020 - 10:30
Snowpack Observation 		Mt. Judah
Donner Summit Area 		Suncups on all aspects and elevations. Thin high cloud cover. Snowpack rapidly melting Forecaster
03/22/2018 - 13:00
Avalanche Observation 		Proleteriat
Mount Rose Area 		Avalanche on the Proletariat that failed on the buried graupel layer. Avalanche on the NE slope just W of Proletariat that may have been more of a wind slab and may not have involved the graupel layer. Forecaster
04/14/2021 - 13:17
Snowpack Observation 		Elelphant's Back
Carson Pass Area 		Snow storm @ 12:30 with S-1 snowfall. Grapuel on surface of new snow. 2-3" of new snow @ 8500' No new build up on cornices. Poor bonding of new/old snow interface. New snow sloughing off old snow interface. Hand pit showing no slab properties and poor bonding at interface. Clumping snow on skis. Professional Observer
02/11/2023 - 13:30
Snowpack Observation 		Power Line Peak Johnson Canyon
Donner Summit Area 		Guide
Tahoe Mountain Scho
12/01/2019 - 13:00
Snowpack Observation 		Incline lake
Mount Rose Area 		Public
12/04/2022 - 15:30
Avalanche Observation 		Blue Lakes
Carson Pass Area 		Public
11/18/2020 - 07:30
Snowpack Observation 		Donner ridge.
Donner Summit Area 		Public
03/26/2018 - 13:00
Avalanche Observation 		Connecting ridge between tinkers knob and Anderson peak
Cabin Creek, Deep Creek, or Pole Creek Area 		Public
10/26/2021 - 17:30
Snowpack Observation 		Tamarack Ridge
Mount Rose Area 		The slushy layer at the base of the snowpack has started to refreeze. Wind transport from the NE winds. NE winds had scoured areas near the ridgeline. Wind scoured surfaces near the ridgleine. Forecaster
02/15/2023 - 15:30
Snowpack Observation 		Powderhouse
Luther Pass Area (including Job and Freel) 		Public
12/05/2019 - 13:00
Snowpack Observation 		Indian Valley
Ebbetts Pass Area 		Sunnier than expected in the Blue Lakes area. Due to sun and above freezing temps snow was melting from trees. 150 cms of snow on a shady slope at the edge of Indian Valley Professional Observer
12/05/2022 - 12:00
Avalanche Observation 		Silver Peak
Cabin Creek, Deep Creek, or Pole Creek Area 		Forecaster
11/22/2020 - 09:00
Snowpack Observation 		Donner Ridge
Donner Summit Area 		Public
03/30/2018 - 11:30
Snowpack Observation 		Chickadee Ridge
Mount Rose Area 		Skier triggered pinwheels on a SE aspect at 8500 ft. at 11:20 am. Boot top deep wet snow on a SE aspect at 8500 ft. at 11:20 am. 4 to 6 inch deep ski penetration into wet snow on S aspect at 8800 ft. at noon. Forecaster
11/07/2021 - 11:49
Snowpack Observation 		Tamarack peak
Mount Rose Area 		Public

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