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
02/25/2021 - 11:00

Snowpack Observation
Mt. Judah

Donner Summit Area
Firm rain crusts throughout area Soft spring corn snow on south aspects below 7800'. Large cracks developing behind cornices along ridgelines. Forecaster
02/25/2021 - 11:00

Snowpack Observation
Castle peak saddle

Donner Summit Area
Public
02/24/2021 - 23:00

Snowpack Observation
Ophir Creek

Mount Rose Area
Unconsolidated recent storm snow, unaffected by melt on heavily shaded N aspect below treeline. We affected snow surface on open near treeline N aspect. 1 inch or so of surface melt on steeper S aspect. Minimal surface melt on low angle S aspect. Forecaster
02/24/2021 - 09:00

Snowpack Observation
Schallenberger Ridge

Donner Summit Area
Scoured areas near the ridgeline with exposed firm rain crusts. Firm melt freeze conditions on southerly aspects. The crust sandwich near the surface. Graupel on top of a rain crust about 1-3 inches below the surface. Small roller balls on a steep slope under some rocks from previous warming. Forecaster
02/24/2021 - 00:00

Snowpack Observation
Charity Valley

Carson Pass Area
Professional Observer
02/23/2021 - 23:30

Snowpack Observation
Talking Mtn

Echo Summit Area
Evidence of recent NE winds redistributing snow along ridgetops. Evidence of recent NE winds redistributing snow along ridgetops. Two inches of surface melt over supportable crust on S aspect approach at about 8,500' around 10:45 am. Still unconsolidated surface snow on shaded N aspect terrain below treeline. Evidence on NE wind redistribution on N aspect below treeline opening around 7,800. This was on the bottom third of the slope, well below the ridgetop. Forecaster
02/23/2021 - 13:00

Snowpack Observation
Freel Peak

Luther Pass Area (including Job and Freel)
Professional Observer
02/23/2021 - 10:30

Snowpack Observation
N shoulder Rose Knob Peak

Mount Rose Area
Guide

Donner Summit Avalanche Semina
02/22/2021 - 11:30

Snowpack Observation
Johnson Canyon

Donner Summit Area
Public
02/22/2021 - 11:00

Snowpack Observation
Slab Cliffs

Mount Rose Area
Recent NE wind scouring in exposed terrain at 9600'. Forecaster
02/21/2021 - 14:00

Snowpack Observation
Silver Peak

Little Truckee Summit Areas
Public
02/21/2021 - 12:30

Snowpack Observation
Silver Peak

Cabin Creek, Deep Creek, or Pole Creek Area
Some wind scouring on the E ridge from overnight NE winds revealing the firm rain crust. Mostly smooth conditions off of ridge with 4'' of recent storm snow. Guide

Tahoe Mountain Scho
02/21/2021 - 12:08

Snowpack Observation
Andesite Peak

Donner Summit Area
Public
02/21/2021 - 12:00

Avalanche Observation
Bronco Chutes

Mount Rose Area
Public
02/21/2021 - 12:00

Avalanche Observation
Polaris Bowl and Upper Blue Lakes

Carson Pass Area
Public

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