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
01/18/2018 - 11:00

Snowpack Observation
Fireplug

Mount Rose Area
Forecaster
01/17/2018 - 15:00

Snowpack Observation
Powderhouse

Luther Pass Area (including Job and Freel)
ECTN 23, 50cm from ground. Fracture initiated but did not propagate across column. Public
01/17/2018 - 11:00

Snowpack Observation
Slab Cliffs

Mount Rose Area
Forecaster
01/16/2018 - 14:00

Snowpack Observation
Red Lake Peak

Carson Pass Area
Public
01/16/2018 - 12:30

Snowpack Observation
Elephants Hump

Carson Pass Area
ECTP-13 on buried facet layer below 14'' slab.  N aspect, 8400'.Snowpack tests on crown flank. Forecaster
01/15/2018 - 14:30

Snowpack Observation
Castle Peak

Donner Summit Area
Forecaster
01/14/2018 - 13:30

Snowpack Observation
East Ridge Tamarack Peak

Mount Rose Area
Forecaster
01/13/2018 - 12:00

Snowpack Observation
Elephants Back

Carson Pass Area
Forecaster
01/12/2018 - 12:45

Snowpack Observation
Castle Peak

Donner Summit Area
Surface hoar on top of a frozen rain crust in a sheltered meadow at 7600 ft.ECTP failing on the moist facets below a strong slab layer on a NW aspect at 8300 ft.Frozen surface crust on a NW aspect along the ridgeline at 8400 ft.Soft wet snow surface on a SW aspect @ 8200 ft at 1:30 pm. Forecaster
01/12/2018 - 11:20

Snowpack Observation
Slab Cliffs

Mount Rose Area
Pointing at the faint line in the snowpit wall that is the interface between the faceted weak layer and the slab above.Facets from the top of the weak layer classifying as dry to moist. Forecaster
01/11/2018 - 13:30

Snowpack Observation
Red Lake Peak

Carson Pass Area
Public
01/11/2018 - 11:45

Snowpack Observation
Rubicon Peak and Peak 9,269'

West Shore Area
N aspect at 8,180'. Strong and supportable crusts over wet facet layer. Minimal reactivity.Snowcover looking upslope on N aspect at 8,000'.Unexpected snow shower activity at 9,080' on Peak 9,269'. Forecaster
01/10/2018 - 15:30

Snowpack Observation
Mosquito Lake

Bear Valley Area
Public
01/10/2018 - 12:00

Snowpack Observation
East Ridge Tamarack Peak

Mount Rose Area
ECTP-11 down 1' on facet layer.  9200', N aspect, below treeline terrain.Snowpack layering at 9400' on N aspect.  18'' of snow, with a crust/facet combo below.Facets at 9400' were dry to moist. Forecaster
01/09/2018 - 12:30

Snowpack Observation
Incline Peak Near Summit

Mount Rose Area
Public

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