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 		Castle peak saddle
Donner Summit Area 		Public
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
02/24/2021 - 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
Snowpack Observation 		Deep Creek
Cabin Creek, Deep Creek, or Pole Creek Area 		Graupel from beneath the Feb. 20 storm snow 2-3mm surface hoar on top of the Deep Creek ridgeline, around 7800' surface texture evidence of northerly winds late on Feb. 20 Guide
Alpenglow Expeditio
02/21/2021 - 12:00
Avalanche Observation 		Bronco Chutes
Mount Rose Area 		Public

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