These observations document past conditions at a small and variable scale. They are not too 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 Region Observation Type Photos Snowpack, Avalanche, Weather Videos Snowpit videos (tests, etc) Observation made by
01/08/2021 - 12:00 Meiss Carson Pass Area Snowpack Observation Professional Observer
01/08/2021 - 11:00 Martis Peak Snowpack Observation Stepping off the sled and post-holing almost to the ground. Thin rain crust below 7300 ft. It got thicker and more widespread at lower elevations. Unsettled weather along the Sierra Crest Forecaster
01/08/2021 - 10:30 Chickadee Ridge Mount Rose Area Snowpack Observation Public
01/07/2021 - 12:00 Castle Peak North side Donner Summit Area Snowpack Observation Public
01/07/2021 - 11:30 South of Red Lake Carson Pass Area Snowpack Observation 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 Education
01/07/2021 - 11:30 Signal Peak Outside of the Forecast Area Snowpack Observation 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 - 11:00 Silver Peak Cabin Creek, Deep Creek, or Pole Creek Area Snowpack Observation Surface rain crust at 7200' fractured easily. Breakable rain crust between 7000-7500' Forecaster
01/06/2021 - 13:00 Pickett Peak Carson Pass Area Snowpack Observation 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 Incline Peak Mount Rose Area Snowpack Observation Public
01/06/2021 - 12:00 Mt Judah Donner Summit Area Snowpack Observation surface hoar minor cornice cracking blowing snow Guide
Alpenglow Expeditions
01/06/2021 - 12:00 Andesite Peak Donner Summit Area Snowpack Observation Educator
Tahoe Mountain School
01/06/2021 - 09:00 Castle Peak Donner Summit Area Snowpack Observation 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 Poison Canyon East Facing Bear Valley Area Snowpack Observation Appears to be a very small layer of burried surface hoar at the 71cm interface Public
01/05/2021 - 12:30 Mt. Judah Donner Summit Area Snowpack Observation Public
01/05/2021 - 12:00 Indian Valley Ebbetts Pass Area Snowpack Observation Professional Observer

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