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
12/09/2018 - 11:45
Snowpack Observation 		Castle Peak
Donner Summit Area 		Outlined areas show observed wide spread surface hoar growth of >3mm Educator
Tahoe Mountain Scho
04/20/2019 - 14:15
Snowpack Observation 		Donner Summit
Donner Summit Area 		recent cornice fall on a NE aspect @ 7500 beautiful rightside-up snowpack Educator
Tahoe Mountain Scho
01/05/2020 - 13:30
Snowpack Observation 		Castle Pass / Andesite peak
Donner Summit Area 		1mm surface hoar , NW aspect on andesite peak Educator
Tahoe Mountain Scho
02/04/2018 - 14:00
Snowpack Observation 		SW Face of Basin Peak
Donner Summit Area 		Educator
Tahoe Mountain Scho
12/31/2020 - 13:00
Snowpack Observation 		Poulsen's Peak
Cabin Creek, Deep Creek, or Pole Creek Area 		minor N wind effect near Poulsen's Peak Educator
Alpenglow Expeditio
01/24/2021 - 11:30
Snowpack Observation 		Powderhouse
Luther Pass Area (including Job and Freel) 		Pic 1: Thin coverage with 5-10cm of new on old supportable crust. Pic 2: Down branches and trees from last wind event (Jan 19) Pic 3: Just enough new snow to cover up old skin tracks. Pic 4: Thin coverage of new snow about mid slope. Pic 5: Looking toward Stevens Pk. Pic 6: Looking toward Waterhouse. Educator
Lake Tahoe Community College - Wilderness Educati
02/19/2016 - 14:30
Snowpack Observation 		Grass Lake
Luther Pass Area (including Job and Freel) 		Educator
Lake Tahoe Community College - Wilderness Educati
12/10/2019 - 10:00
Snowpack Observation 		Thopson Peak
Luther Pass Area (including Job and Freel) 		Wind scouring on surface. 2-3cm breakable crust. Educator
Lake Tahoe Community College - Wilderness Educati
01/15/2022 - 14:45
Snowpack Observation 		Johnson Canyon
Donner Summit Area 		Surface Faceted Crystals Educator
Tahoe Mountain Scho
12/15/2018 - 14:15
Snowpack Observation 		Johnson Canyon
Donner Summit Area 		Educator
Tahoe Mountain Scho
11/19/2020 - 09:00
Snowpack Observation 		Grouse Rock
Blackwood Canyon or Ward Canyon Area 		CT results : Sudden Collapse on facets near ground. , Educator
Tahoe Mountain Scho
12/29/2020 - 11:00
Avalanche Observation 		Webber Peak
Little Truckee Summit Areas 		Avalanche on Webber Peak Educator
West Wind Collecti
03/07/2023 - 09:45
Snowpack Observation 		Silver Peak
Cabin Creek, Deep Creek, or Pole Creek Area 		Scattered clouds, blowing snow, tree bombs Graupel on snow surface Snow profile from E aspect at 6600' Educator
NORTH AMERICAN SKI TRAINING AND CLIMBI
04/12/2020 - 15:30
Snowpack Observation 		Ralston lightning strikes
Echo Summit Area 		Educator
Lake Tahoe Community College - Wilderness Educati
12/22/2019 - 13:15
Snowpack Observation 		Andesite peak
Donner Summit Area 		Small windslab on test slope Shooting cracks on test slope prior to the small slab releasing Educator
Tahoe Mountain Scho

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