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
01/02/2021 - 10:00 Scout Peak Echo Summit Area Snowpack Observation Facets from roughly 25 cm deep. Hasty snowpit. Did not perform an ECT. Public
12/14/2020 - 14:30 Ellis Peak Blackwood Canyon or Ward Canyon Area Snowpack Observation Public
12/18/2020 - 08:30 Hawk's Peak Donner Summit Area Snowpack Observation Public
12/30/2020 - 01:45 Mt Judah Donner Summit Area Snowpack Observation Deep facet layer is still loose and sugary and does not form snowball Numerous tracks on steeper NE terrain Public
12/22/2020 - 13:00 Stevens Peak Carson Pass Area Avalanche Observation Wind Slab Cracking Wind Slab Cracking Wind Slab Cracking Natural D1 Wild Slab Avalanche Public
01/03/2021 - 11:30 Ridge line connecting DP and tunnel creek East Shore Area Snowpack Observation Moisture and wind = Faceted grains underneath dec 11 event Public
01/05/2021 - 12:30 Mt. Judah Donner Summit Area Snowpack Observation Public
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
12/18/2020 - 12:00 Bear Valley Bear Valley Area Snowpack Observation Public
11/29/2020 - 06:45 Red Lake Peak (SW Shoulder) Carson Pass Area Snowpack Observation Tour objective and snow profile location (arrow) This thermapen has seen more snowpacks than turkeys Sastrugi snow was widespread Public
01/01/2021 - 14:00 Brockway Summit Snowpack Observation The test slope that failed on the Dec 11 facets when we jumped on it. Public
12/08/2020 - 13:00 Mt Judah Donner Summit Area Snowpack Observation 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
01/04/2021 - 12:15 Shoulder of Tamarack Peak Mount Rose Area Snowpack Observation Public
12/13/2020 - 14:15 Silver Peak Cabin Creek, Deep Creek, or Pole Creek Area Snowpack Observation Public
01/09/2021 - 12:00 Euer Valley/Donner Ridge Donner Summit Area Snowpack Observation Surface hoar was up to 15mm in places Supportable knife hard surface crust SH closeup Wet snow in the trees below 7k’ Public

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