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
01/04/2017 - 15:00
Avalanche Observation 		Silver Peak
Cabin Creek, Deep Creek, or Pole Creek Area
Natural deep slab avalanche that reloaded. The newer looking debris is from dropping a small cornice onto the reloaded slope.
Natural deep slab avalanche that reloaded. The newer looking debris is from dropping a small cornice onto the reloaded slope.
The filled in crown of a natural wind slab / deep slab from along the ridge of Silver Peak at 8000 ft.
Debris from a natural wind slab / deep slab avalanche on a N aspect at 8000 ft. Note the size of the debris piled against the tree.
Forecaster
01/04/2017 - 13:00
Avalanche Observation 		Andesite Ridge
Donner Summit Area
Partially covered up avalanche debris.
Natural avalanche on NE-E aspect wrapping around rock feature. 125' wide x 200' long.
Wind slab avalanche with up to 3' crown. Covered in by additional snow.
 Forecaster
01/04/2017 - 12:30
Snowpack Observation 		Waterhouse Peak
Luther Pass Area (including Job and Freel) 		Wind loading and drifts forming just above tree line.Lose dry slough on surface. Public
01/04/2017 - 07:00
Avalanche Observation 		Bear Creek
Five Lakes Area
Public
01/04/2017 - 00:01
Avalanche Observation 		Rose Know
Mount Rose Area 		Public
01/03/2017 - 14:49
Snowpack Observation 		South ridge of Mt. Houghton
Mount Rose Area 		Public
01/03/2017 - 13:25
Avalanche Observation 		rose knob
Mount Rose Area 		Public
01/03/2017 - 13:15
Snowpack Observation 		Andesite Peak
Donner Summit Area 		Pointing at the old/new snow interface.Pointing at facets near the Dec 15 rain crust. Forecaster
01/03/2017 - 12:00
Avalanche Observation 		Andesite Peak
Donner Summit Area
Natural wind slab avalanche
Shooting cracks in wind loaded terrain near natural avalanche.
 Forecaster
01/03/2017 - 10:05
Snowpack Observation 		Waterhouse Peak
Luther Pass Area (including Job and Freel) 		Public
01/02/2017 - 15:00
Snowpack Observation 		Waterhouse Peak
Luther Pass Area (including Job and Freel) 		Below 8000 new snow had not yet filled in tree wells.In even small openings above 8000 feet the skin track was mostly filled in by drifting snow. 146cm snow depth near the summit Only 55 cm snow depth at 7900 feet elevation. Professional Observer
01/02/2017 - 12:20
Avalanche Observation 		Elephant's Hump
Carson Pass Area
Crown of the avalanche from near the trigger point on a lower angle slope with some small trees.
Crown of the avalanche from near the trigger point on a lower angle slope with some small trees.
Debris on the smaller flank of the avalanche. As it wraps around the corner the slope becomes larger and more open.
Shooting cracks on a wind loaded slope triggered by a skier on the ridge.
Forecaster
01/02/2017 - 10:45
Snowpack Observation 		Castle Peak
Donner Summit Area 		One of many wind loaded/wind slab test slopes that avalanched with minimal human triggering. Forecaster
01/01/2017 - 12:17
Snowpack Observation 		Scott peak
Five Lakes Area 		Surface hoar Guide
Alpenglow Expeditio
12/31/2016 - 14:47
Snowpack Observation 		Steven's Pk
Carson Pass Area 		Public

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