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
02/10/2017 - 21:00
Avalanche Observation 		Powderhouse Ridge
Luther Pass Area (including Job and Freel)
Looking up towards the crown.
Looking down on the path and debris.
Looking across the crown.
Hand hardness of the crown down to the rain crust.
Professional Observer
02/10/2017 - 12:00
Snowpack Observation 		Andesite Peak
Donner Summit Area 		Cornice kicks on test slopes produced limited loose snow with no signs of slab propagation.2x ECTN's on wind slabs off summit. 8200', E aspect. Forecaster
02/10/2017 - 12:00
Snowpack Observation 		Powderhouse
Luther Pass Area (including Job and Freel) 		Approximate height of storm snow at 8000 feet on Luther Pass. Professional Observer
02/09/2017 - 11:00
Snowpack Observation 		East Ridge Tamarack Peak
Mount Rose Area 		Surface rain crust, with wet to moist snow 1.5' deep. 9200'Surface rain crust and rain runnels up to at least 9500' Forecaster
02/08/2017 - 23:00
Snowpack Observation 		Tamarack Peak
Mount Rose Area 		Settlement crack around a tree at 9000 ft. Small cornice pieces and ski kicks on wind loaded test slopes did not trigger cracking on the slopes. The cornice pieces just slide down on top of the slope.Rain runnels at 8900 ft. on a N aspect on Tamarack Peak. Forecaster
02/08/2017 - 11:30
Snowpack Observation 		Elephant's Hump
Carson Pass Area 		Deep rain runnels and skier supportable conditions at 8,900'.Cracks associated with settlement of Feb 6/7 storm snow. Forecaster
02/07/2017 - 08:30
Avalanche Observation 		Andesite Ridge
Donner Summit Area
Crown from wet slab avalanche triggered by natural cornice collapse.
Cornice and avalanche debris.
Older wet slab avalanches on NE-E aspects. These were widespread in the area.
 Forecaster
02/07/2017 - 04:00
Avalanche Observation 		Frog Lake Cliffs
Carson Pass Area
Forecaster
02/06/2017 - 12:00
Snowpack Observation 		Echo Summit
Echo Summit Area 		Heavy snow sticking to trees despite strong winds.Many loose wet slides between 6700-7200 feet. Professional Observer
02/06/2017 - 12:00
Snowpack Observation 		Hidden Peak
West Shore Area 		Blowing snow limited to the ridgetop. Poor visibility.Skier triggered roller balls at 7,500'. Forecaster
02/06/2017 - 10:06
Snowpack Observation 		Andesite Ridge
Donner Summit Area 		Public
02/05/2017 - 23:00
Avalanche Observation 		Sunrise Bowl
Donner Summit Area
Public
02/05/2017 - 12:30
Snowpack Observation 		Carpenter Ridge
Independence Lake Area 		Blowing snow on Carpenter Ridge.Blowing snow on Carpenter Ridge. Forecaster
02/05/2017 - 12:20
Snowpack Observation 		Waterhouse Peak
Luther Pass Area (including Job and Freel) 		Snow that had been redistributed by the wind.Sastrugi and blowing snow near peak. Professional Observer
02/05/2017 - 12:00
Snowpack Observation 		Tram Ridge / Shirley canyon
Cabin Creek, Deep Creek, or Pole Creek Area 		Rain runnels below 7k'Scouring and loadingSmall crack in skin track Guide
Alpenglow Expeditio

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