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
01/07/2021 - 12:00
Snowpack Observation 		Castle Peak North side
Donner Summit Area 		Public
01/07/2021 - 11:30
Snowpack Observation 		Signal Peak
Outside of the Forecast Area 		test location, slope angle 37degrees ECTP 14 @30cm down. Facet temp was 0℃ 10cm above facet temp was -3.3℃ and snow surface temp was -6.3℃ of course I wanted to ski it... Public
01/07/2021 - 11:30
Snowpack Observation 		South of Red Lake
Carson Pass Area 		Fist- snow in the Dec 11 layer, about 44cm down Large facets in the Dec 11 layer 44cm down to about 3cm above the ground Educator
Lake Tahoe Community College - Wilderness Educati
01/07/2021 - 11:00
Snowpack Observation 		Silver Peak
Cabin Creek, Deep Creek, or Pole Creek Area 		Surface rain crust at 7200' fractured easily. Breakable rain crust between 7000-7500' Forecaster
01/06/2021 - 13:00
Snowpack Observation 		Pickett Peak
Carson Pass Area 		Pit location. A large whumpf of this slope was later intentionally triggered. Long shooting crack failing on Dec 11 facets on opposite side of slope from pit location. Long shooting crack failing on Dec 11 facets on opposite side of slope from pit location. Digging out the long crack that failed down to Dec 11 facets. Forecaster
01/06/2021 - 12:30
Snowpack Observation 		Incline Peak
Mount Rose Area 		Public
01/06/2021 - 12:00
Snowpack Observation 		Mt Judah
Donner Summit Area 		surface hoar minor cornice cracking blowing snow Guide
Alpenglow Expeditio
01/06/2021 - 12:00
Snowpack Observation 		Andesite Peak
Donner Summit Area 		Educator
Tahoe Mountain Scho
01/06/2021 - 09:00
Snowpack Observation 		Castle Peak
Donner Summit Area 		Some snow blowing onto a small wind loaded test slope on the Castle Peak Ridge Snowpit tests on a small wind-loaded test slope. ECTX Surface hoar in Round Valley Scoured SE facing slopes with exposed areas of rain crust. Rimed trees on Castle Peak Small cornice peices broke with a ski kick above a wind-loaded test slope on the Castle Peak Ridge Wind features on the Castle Peak Ridge Forecaster
01/05/2021 - 14:45
Snowpack Observation 		Poison Canyon East Facing
Bear Valley Area 		Appears to be a very small layer of burried surface hoar at the 71cm interface Public
01/05/2021 - 12:30
Snowpack Observation 		Mt. Judah
Donner Summit Area 		Public
01/05/2021 - 12:00
Snowpack Observation 		Indian Valley
Ebbetts Pass Area 		Professional Observer
01/05/2021 - 12:00
Snowpack Observation 		Andesite
Donner Summit Area 		Guide
Alpenglow Expeditio
01/05/2021 - 10:30
Snowpack Observation 		Carpenter Ridge
Independence Lake Area 		Today's snowpit site adjacent to 12/31 pit and 12/27 avalanche. Intentionally collapsed cornice sections produced no results. Forecaster
01/05/2021 - 09:15
Snowpack Observation 		Waterhouse
Luther Pass Area (including Job and Freel) 		Waterhouse and Powderhouse Peaks as the morning sun first hits with no visible snow on trees. Surface conditions in open areas on Grass Lake (elevation 7700 feet) Minor settlement cracks around trees Evidence of rain crust and blowing snow. The summit of Waterhouse with previous boot prints visible and areas on zero new snow. PST 90/100 END on 12/11 facets. Facets were findable here but less weak than in other locations. Professional Observer

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