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
12/29/2019 - 13:00
Snowpack Observation 		Mt. Judah
Donner Summit Area 		light blowing snow over this cornice below treeline Educator
Alpenglow Expeditio
12/29/2019 - 12:30
Snowpack Observation 		Ophir Peak
Mount Rose Area 		Blown down 3-5mm surface hoar in open meadows at 8600'. Decomposing Dec 12 RC. Upper snowpack made up of near surface facets and wind blown snow. Previous wind scouring on northerly near treeline terrain. Increasing clouds with very light snow starting at 12. Forecaster
12/29/2019 - 12:30
Snowpack Observation 		Munchkins/Tahoe City
Five Lakes Area 		Public
12/28/2019 - 13:45
Snowpack Observation 		Tamarack Peak
Mount Rose Area 		Public
12/28/2019 - 13:15
Snowpack Observation 		Castle Peak
Donner Summit Area 		Lots of cracking like this in the NW trees Wind scouring along ridges Public
12/28/2019 - 13:15
Snowpack Observation 		Mayflower Ridge
Donner Summit Area 		Small windslab on test slope Crown on test slope Wind scouring along ridgelines Another image of widespread wind affect in the Donner Peak area CT19 down 20cm on old (rounding) near surface facets buried during last storm cycle Educator
Tahoe Mountain Scho
12/28/2019 - 12:30
Snowpack Observation 		Thompson Peak
Luther Pass Area (including Job and Freel) 		Small Surface Hoar and Near Surface Facets Older and larger Surface Hoar that had been previously knocked over Hand hardness indicated a right side up snowpack with about 20 cms of NSFs at the surface Public
12/28/2019 - 12:30
Snowpack Observation 		Incline Lake/Slab Cliffs
Mount Rose Area 		NNW aspect near treeline with signs of wind effect and drifting on snow surface but no wind slab. Right side up surface snow progressively F to 4F in nearly all areas with the occasional 1 cm surface wind skin as seen here. Forecaster
12/28/2019 - 12:00
Snowpack Observation 		Mt. Judah
Donner Summit Area 		Stubborn hard wind slab on a W facing test slope with some blocks of debris near the bottom. Wind affected surface snow on an ENE aspect on Wild Flower ridge. The snow was still soft but minor scouring had occurred to scallop the surface. Forecaster
12/28/2019 - 11:15
Snowpack Observation 		King's Realm
Bear Valley Area 		Public
12/28/2019 - 11:00
Snowpack Observation 		Indian Valley
Ebbetts Pass Area 		Professional Observer
12/28/2019 - 09:00
Snowpack Observation 		Wildflower Ridge
Donner Summit Area 		Public
12/27/2019 - 13:15
Snowpack Observation 		Andesite peak
Donner Summit Area 		Cornice cut releasing small wind slab Visual of a compression test, Andesite Peak, 8100' East Aspect Educator
Tahoe Mountain Scho
12/27/2019 - 12:45
Snowpack Observation 		Silver Peak
Cabin Creek, Deep Creek, or Pole Creek Area 		Public
12/27/2019 - 12:30
Avalanche Observation 		west of Relay peak and "Bronco chutes"
Mount Rose Area 		Bronco Chute Public

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