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
02/18/2021 - 11:00
Snowpack Observation 		Mt. Judah
Donner Summit Area 		Wind exposed terrain scoured to firm icy rain crusts Freezing rain on trees and snow surface Increasing clouds mid to late morning. Large overhanging cornices exist in many locations. Forecaster
02/17/2021 - 12:00
Snowpack Observation 		Freel Peak
Luther Pass Area (including Job and Freel) 		Professional Observer
02/17/2021 - 11:00
Avalanche Observation 		Castle Peak
Donner Summit Area 		Cornice failure on the north side of ridge from Castle Peak Avalanche on the north east aspect of Andesite Wind loading below Castle Peak Wind transporting snow from the north bowl of Castle Peak Public
02/17/2021 - 09:00
Snowpack Observation 		Tamarack Peak
Mount Rose Area 		Wind scoured and sculpted surfaces were widespread ECTP 22 that failed on softer snow (4f) below a firm (1f) wind slab on a NE facing tesl slope at ~9800 ft. Raised ski tracks caused by wind scouring Wind scoured and sculpted surfaces in the Hourglass Settlement cones around trees in a sheltered area Forecaster
02/16/2021 - 13:00
Avalanche Observation 		Eagle Creek and Cascade Creek drainages
Desolation Wilderness Area (including Emerald Bay) 		Eagle Creek loose wet avalanches on E aspect terrain at ~7,600'. Forecaster
02/16/2021 - 12:15
Snowpack Observation 		Hidden Peak
West Shore Area 		Rain crust on the snow surface at 8,200'. Patchy mix of exposed rain crust and 0 to 1" of new snow near the summit at 9,150' Surface rain crust. Forecaster
02/16/2021 - 11:30
Snowpack Observation 		Carson pass
Carson Pass Area 		Thick breakable rain crust. Thin graupel layer on surface. Ice crust with wind blown graupel on surface. Rain crust. Freezing rain on trees near 9000’ Wind blowing graupel layer around the face of Elephants Back. Skin-track with breakable ice crust. Professional Observer
02/16/2021 - 10:00
Avalanche Observation 		Mount Lincoln
Donner Summit Area 		Public
02/16/2021 - 06:45
Snowpack Observation 		Fireplug Peak
Mount Rose Area 		Public
02/15/2021 - 12:30
Avalanche Observation 		East ridge of Silver Peak
Cabin Creek, Deep Creek, or Pole Creek Area 		Public
02/15/2021 - 11:00
Snowpack Observation 		Incline Lake Peak
Mount Rose Area 		Light snow, mostly cloudy, with some periods of sun. Snowpack tests on crown of small storm slab that was triggered Sunday Large reactive cornice failures with a ski kick Blowing snow covering small recent wind slab avalanches Forecaster
02/15/2021 - 10:45
Avalanche Observation 		Red Mountain/Euer Valley
Donner Summit Area 		Avalanche observed from Coyote Hut in Euer Valley Public
02/15/2021 - 09:30
Avalanche Observation 		Andesite Peak
Donner Summit Area 		Small wind slab avalanche on test slope Crust with weaker snow just below it Cracking around skis Public
02/14/2021 - 14:00
Snowpack Observation 		Castle/Andesite
Donner Summit Area 		small cornice on E face of Andesite Peak low clouds obscuring Castle Peak Public
02/14/2021 - 13:45
Avalanche Observation 		Mount Judah
Donner Summit Area 		Public

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