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
12/08/2018 - 14:15

Snowpack Observation
Johnson Canyon

Donner Summit Area
Visual outline of the snowpack on NE Aspect @ 7300' 2-4mm Surface Hoar, these grains seemed to have some sort of icey deposit on them Side profile of current Surface Hoar Cornice cuts produced small loose dry avalanches Educator

Tahoe Mountain Scho
12/30/2018 - 12:30

Snowpack Observation
Tamarack Peak

Mount Rose Area
Exposed dirt and Knife hard sastrugi on Hour Glass Educator

Tahoe Mountain Scho
02/04/2022 - 12:00

Snowpack Observation
Elephants Hump

Carson Pass Area
Large Surface Hoar Large Surface Hoar 2 Hand Hardness: about 6 cm surface hoar and near surface facets, 1-2cm rain/melt freeze curst, 5-6cm near surface facets, to rounded consolidated snow About 6 cm surface hoar and near surface facets, 1-2cm rain/melt freeze curst, 5-6cm near surface facets Educator

Lake Tahoe Community College - Wilderness Educati
02/05/2019 - 12:00

Avalanche Observation
Sierra Crest above Bradley Hut

Cabin Creek, Deep Creek, or Pole Creek Area
Educator

Donner Summit Avalanche Semina
02/24/2017 - 10:45

Snowpack Observation
Andesite Peak

Donner Summit Area
Educator

Donner Summit Avalanche Semina
02/20/2016 - 14:30

Snowpack Observation
Negro Canyon

Donner Summit Area
Educator

Tahoe Mountain Scho
12/01/2018 - 14:15

Snowpack Observation
Johnston Canyon

Donner Summit Area
Educator

Tahoe Mountain Scho
02/05/2023 - 09:30

Avalanche Observation
Fireplug Trees

Mount Rose Area
Test slope wind slab stepping down to old snow Close up of small slab avalanche Educator

Tahoe Mountain Scho
01/26/2021 - 11:00

Snowpack Observation
Johnson Canyon

Donner Summit Area
Educator

Blackbird Mountain Guid
02/07/2021 - 01:30

Snowpack Observation
Castle Pass

Donner Summit Area
Educator

NORTH AMERICAN SKI TRAINING AND CLIMBI
02/04/2018 - 14:00

Snowpack Observation
SW Face of Basin Peak

Donner Summit Area
Educator

Tahoe Mountain Scho
03/20/2022 - 12:30

Snowpack Observation
Elephant Hump

Carson Pass Area
Educator

Lake Tahoe Community College - Wilderness Educati
11/09/2022 - 12:00

Avalanche Observation
Elephant's Back

Carson Pass Area
Old cornice fall off the NE side of Elephant's Back Gale force SW winds on the south side of Elephant's Back Tracks off the NE side of Elephant's Back Educator

Lake Tahoe Community College - Wilderness Educati
01/26/2020 - 06:00

Snowpack Observation
Above Round Lake

Luther Pass Area (including Job and Freel)
Small pit done about 4:00 pm last night before it started raining. Top 5cm of snow wet due to above freezing temperatures. Chowder snow this morning around 9:00AM Educator

Lake Tahoe Community College - Wilderness Educati
02/09/2016 - 11:00

Snowpack Observation
W ridge Castle Pk

Donner Summit Area
Educator

Donner Summit Avalanche Semina

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