These observations document past conditions at a small and variable scale. They are not too 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 Region Observation Type Photos Snowpack, Avalanche, Weather Videos Snowpit videos (tests, etc) Observation made by
02/28/2021 - 12:00 Echo Ridge Echo Summit Area Snowpack Observation Public
02/28/2021 - 11:00 Lincoln Ridge Yuba Pass Area Snowpack Observation 1-2 inches of soft wet snow on top of a shallow but supportable base on a low elevations SW facing slope. Exposed crusts and wind scoured features along the top of Lincoln Ridge Snowmobiles seemed to break through the upper crust and into some softer snow on northerly aspects Forecaster
02/27/2021 - 22:45 Elephant's Hump Carson Pass Area Snowpack Observation Previously wind affected snow surfaces. Mix of exposed Feb 19 rain crust and shallow dust on crust. Hand pit looking at dust on crust and layers above and below crust. Forecaster
02/26/2021 - 13:01 Chickadee Ridge / Ophir Peak Mount Rose Area Snowpack Observation Strong wind on small south facing cornice. Wind affected snow below treeline Public
02/26/2021 - 12:00 Greater Bronco Area Mount Rose Area Snowpack Observation Public
02/26/2021 - 11:30 Relay Peak Mount Rose Area Snowpack Observation Blowing snow off of Relay Peak Raised tracks and wind scoured terrain. Wind scoured, but mostly soft surface snow. Snow coverage on south aspects was good. Forecaster
02/26/2021 - 08:11 Stevens Peak Carson Pass Area Snowpack Observation Public
02/25/2021 - 13:30 Castle Valley Donner Summit Area Snowpack Observation Educator
NORTH AMERICAN SKI TRAINING AND CLIMBING
02/25/2021 - 12:19 Deep Creek Ridge Cabin Creek, Deep Creek, or Pole Creek Area Snowpack Observation graupel at top of crust Guide
Tahoe Mountain School
02/25/2021 - 11:00 Castle peak saddle Donner Summit Area Snowpack Observation Public
02/25/2021 - 11:00 Mt. Judah Donner Summit Area Snowpack Observation 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 Ophir Creek Mount Rose Area Snowpack Observation 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 Schallenberger Ridge Donner Summit Area Snowpack Observation 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 (All day) Charity Valley Carson Pass Area Snowpack Observation Professional Observer
02/23/2021 - 23:30 Talking Mtn Echo Summit Area Snowpack Observation 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

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