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
02/23/2022 - 11:00
Snowpack Observation 		Powderhouse
Luther Pass Area (including Job and Freel) 		Educator
Lake Tahoe Community College - Wilderness Educati
01/07/2019 - 14:00
Snowpack Observation 		Andesite Ridge
Donner Summit Area 		Educator
Donner Summit Avalanche Semina
12/29/2020 - 12:15
Snowpack Observation 		Stanford Rock
Blackwood Canyon or Ward Canyon Area 		Surface hoar in open sheltered terrain (all elevations) PST 80/100 (End) @ 70cm Hand hardness + layers of concern Educator
Tahoe Mountain Scho
02/05/2021 - 15:00
Snowpack Observation 		Powderhouse Peak
Luther Pass Area (including Job and Freel) 		Educator
Lake Tahoe Community College - Wilderness Educati
01/17/2016 - 13:30
Snowpack Observation 		NW of Snowshed Wall
Donner Summit Area 		Educator
Tahoe Mountain Scho
02/08/2018 - 10:00
Snowpack Observation 		South of Grouse Rock
Blackwood Canyon or Ward Canyon Area 		Educator
Donner Summit Avalanche Semina
01/18/2023 - 12:00
Snowpack Observation 		Deer Park/Alpine Meadows Rd Corridor
Five Lakes Area 		230cm @7800ft Snow settlement around trees evidence of old wind slab Educator
Alpenglow Expeditio
01/02/2021 - 14:00
Snowpack Observation 		Castle Valley
Donner Summit Area 		Low clouds over Castle Valley Educator
Alpenglow Expeditio
02/12/2021 - 14:45
Avalanche Observation 		The Grills
Little Truckee Summit Areas 		Rider triggered slab on the Grills Educator
West Wind Collecti
01/10/2023 - 14:00
Snowpack Observation 		South Andesite Ridge
Donner Summit Area 		Educator
Blackbird Mountain Guid
01/30/2022 - 13:15
Snowpack Observation 		Little Truckee Summit Areas
Little Truckee Summit Areas 		Soft snow in protected areas Wind scoured ridge with minimal snow @ 8,000' decomposing crust and near surface facets in sheltered terrain Softened snow on a southerly slope @ 2pm Large surface hoar @ White Rock Lake Old cornice triggered avalanche @ White Rock Lake NE aspect @ 8300' Educator
West Wind Collecti
01/08/2022 - 13:00
Snowpack Observation 		Tamarack Snow Ob
Mount Rose Area 		skiable wind drifts in sheltered areas, targeted terrain Evidence of East winds on the ridgetops, shown with windtails behind surface bumps The gullies had more wind drift coverage, also harbored more breakable windboard Educator
Blackbird Mountain Guid
12/29/2021 - 12:12
Avalanche Observation 		Johnson Canyon
Donner Summit Area 		Side view of small wind slab Top view of small wind slab shooting crack on small test slope Educator
West Wind Collecti
02/25/2021 - 13:30
Snowpack Observation 		Castle Valley
Donner Summit Area 		Educator
NORTH AMERICAN SKI TRAINING AND CLIMBI
01/24/2016 - 14:45
Avalanche Observation 		Andesite Peak
Donner Summit Area 		Test slope failure on Andesite Peak Educator
Tahoe Mountain Scho

Pages