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
12/19/2020 - 12:00 Tamarack Peak, Relay Ridge Mount Rose Area Snowpack Observation Small test slope that triggered a wind slab to release. Slab that broke off runs from ski tips towards camera. See shooting cracks near back of skis. Same test slope as first photo, taken by individual on the test slope. Heavily wind affected snow in Hourglass Bowl. We did not ski Hourglass today. Public
12/27/2020 - 14:00 Bear Valley Bear Valley Area Snowpack Observation Public
01/02/2021 - 11:30 S/SW Aspect of Tamarack Peak Mount Rose Area Snowpack Observation Signs of wind transported snow on S/SW aspect Limited visibility due to incoming storm. Picture taken toward Mt Houghton Limited visibility due to incoming storm. Picture taken at top of Tamarack. Public
12/15/2020 - 11:00 Mt Judah Sunflower Ridge Donner Summit Area Snowpack Observation Dec11 facets are uniformly fist hard and loose below new snow and rain crust Low Tide generally small cornice on judah ridge Public
11/19/2020 - 11:15 Tamarack peak Mount Rose Area Snowpack Observation Snow pit Buried weak layer 15cm Public
12/26/2020 - 12:00 Castle meadow Donner Summit Area Snowpack Observation Public
11/26/2020 - 08:15 Castle Pass Donner Summit Area Snowpack Observation Graupel on small surface hoar in meadow area Public
12/20/2020 - 07:30 Tamarack Peak Mount Rose Area Snowpack Observation Public
12/28/2020 - 15:00 Bowl above Carpenter Valley Independence Lake Area Snowpack Observation Public
12/22/2020 - 15:00 Becker Ridge Echo Summit Area Snowpack Observation Public
11/16/2020 - 12:15 Incline Peak Mount Rose Area Snowpack Observation snow profile at 8830' on NE aspect facets near ground at 8830' were wet enough to make a snowball coverage on NE facing below treeline terrain near 8830' weak faceted grains at 9200' were too unconsolidated to form a snowball Public
12/16/2020 - 11:00 Meadow Below Andesite Peak Donner Summit Area Snowpack Observation Public
12/15/2020 - 16:00 Elephants back Avalanche Observation Public
01/12/2021 - 14:30 Chickadee Ridge Mount Rose Area Snowpack Observation Public
11/30/2020 - 13:00 Blackwood Blackwood Canyon or Ward Canyon Area Snowpack Observation Buried Surface Hoar Buried Surface Hoar Public

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