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
03/14/2017 - 10:15

Avalanche Observation
South of Frog Lake Cliff

Donner Summit Area
Educator

Donner Summit Avalanche Semina
12/20/2020 - 13:00

Snowpack Observation
Deep Creek

Cabin Creek, Deep Creek, or Pole Creek Area
Educator

Alpenglow Expeditio
03/06/2020 - 15:00

Snowpack Observation
Powderhouse

Luther Pass Area (including Job and Freel)
Educator

Lake Tahoe Community College - Wilderness Educati
01/24/2021 - 09:00

Snowpack Observation
Andesite

Donner Summit Area
1 cm + surface hoar found widespread in open meadows at Andesite 01/24 Educator

International Alpine Guid
12/08/2019 - 13:30

Snowpack Observation
Incline Lake Peak

Mount Rose Area
approximately 3mm surface hoar down 65cm, near dropped pin Educator

Lake Tahoe Community College - Wilderness Educati
12/10/2022 - 12:55

Snowpack Observation
Andesite Peak

Donner Summit Area
Large propagating shooting cracks Educator

Blackbird Mountain Guid
02/06/2016 - 13:30

Avalanche Observation
Peak 7483

Donner Summit Area
Educator

Tahoe Mountain Scho
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
01/09/2022 - 10:31

Snowpack Observation
Tamarack/fireplug

Mount Rose Area
Signs of wind transport Reverse tracks and abrupt changes in snow conditions from shaded to solar areas Firm refrozen surfaces on steep East aspect Educator

Blackbird Mountain Guid
03/24/2019 - 08:00

Snowpack Observation
Castle Pass

Donner Summit Area
Surface Hoar near Castle Pass Looking down to the south from the shoulder of Castle Peak. Educator

Lake Tahoe Community College - Wilderness Educati
02/27/2022 - 13:30

Snowpack Observation
Red Lake Peak

Carson Pass Area
Educator

Lake Tahoe Community College - Wilderness Educati
01/17/2020 - 14:45

Snowpack Observation
Johnson Canyon

Donner Summit Area
Educator

Tahoe Mountain Scho
11/29/2019 - 09:30

Snowpack Observation
Frog Lake

Carson Pass Area
View towards Elephants Back 55cm of light fist hard snow 10cm of facets at the bottom of the snowpack Closeup of the facets Educator

Lake Tahoe Community College - Wilderness Educati
03/17/2016 - 10:02

Avalanche Observation
above Donner Pass Road

Donner Summit Area
Educator

Donner Summit Avalanche Semina
04/10/2021 - 14:30

Snowpack Observation
Andesite Peak

Donner Summit Area
South Side of Castle Peak losing snow quickly Educator

Tahoe Mountain Scho

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