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
12/29/2020 - 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
03/11/2023 - 14:00
Avalanche Observation 		Andesite Ridge
Donner Summit Area 		Educator
Alpenglow Expeditio
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
02/08/2020 - 13:00
Snowpack Observation 		Castle Peak
Donner Summit Area 		Snowpack structure on a E aspect @ 7700 ft Educator
Tahoe Mountain Scho
02/06/2016 - 13:30
Avalanche Observation 		Peak 7483
Donner Summit Area
Educator
Tahoe Mountain Scho
02/24/2017 - 10:45
Snowpack Observation 		Andesite Peak
Donner Summit Area 		Educator
Donner Summit Avalanche Semina
02/02/2018 - 12:15
Snowpack Observation 		N. Ridge of Silver Peak
Cabin Creek, Deep Creek, or Pole Creek Area 		ECTP 29 SP @68 cm Educator
Tahoe Mountain Scho
02/23/2019 - 15:30
Snowpack Observation 		Becker Peak
Echo Summit Area 		Buried graupel on Feb 14 rain crust Buried graupel Educator
Lake Tahoe Community College - Wilderness Educati
01/14/2023 - 02:29
Snowpack Observation 		Castle 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
12/23/2020 - 12:30
Snowpack Observation 		Silver Peak
Cabin Creek, Deep Creek, or Pole Creek Area 		Cracking on windslabs when we undercut the slope Enjoying a ridgetop transition with calm winds Shooting cracks on stiff windslabs Educator
Alpenglow Expeditio
12/10/2020 - 09:45
Snowpack Observation 		Grouse Rock
Blackwood Canyon or Ward Canyon Area 		Educator
Tahoe Mountain Scho
03/17/2016 - 10:02
Avalanche Observation 		above Donner Pass Road
Donner Summit Area
Educator
Donner Summit Avalanche Semina
01/17/2020 - 14:45
Snowpack Observation 		Johnson Canyon
Donner Summit Area 		Educator
Tahoe Mountain Scho

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