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
01/02/2019 - 10:00
Snowpack Observation 		Porcupine Ridge
Luther Pass Area (including Job and Freel) 		A thin wind slab over roughly 15cms of very weak NSFs The wind slab varied in thickness and strength, but did show ability to crack. A lot of Surface Hoar in this area. North facing slopes held some impressively large Surface Hoar. Professional Observer
01/01/2019 - 13:00
Snowpack Observation 		Indian Valley
Ebbetts Pass Area 		Professional Observer
12/31/2018 - 12:00
Snowpack Observation 		Mt Tallac
Desolation Wilderness Area (including Emerald Bay) 		Professional Observer
12/30/2018 - 12:30
Snowpack Observation 		Tamarack Peak
Mount Rose Area 		Exposed dirt and Knife hard sastrugi on Hour Glass Educator
Tahoe Mountain Scho
12/30/2018 - 11:00
Snowpack Observation 		Silver Peak
Cabin Creek, Deep Creek, or Pole Creek Area 		Signs of wind scouring on an exposed ridge. Forecaster
12/29/2018 - 14:15
Snowpack Observation 		Andesite Peak
Donner Summit Area 		Visual outline of the Snowpack on a West Aspect Near Treeline @ 7600' Educator
Tahoe Mountain Scho
12/29/2018 - 14:00
Snowpack Observation 		South shoulder of Stevens Peak
Carson Pass Area 		Shady sheltered areas below tree line held very soft faceted snow. Sunny slopes are getting thin and starting to melt out in a few areas. Lots of evidence of previous wind activity. On a ridge area, firm slab over soft weak snow. Reverse skin track, with wind erosion on the east side due to NE winds. Professional Observer
12/29/2018 - 11:45
Snowpack Observation 		Upper Cold Stream
Cabin Creek, Deep Creek, or Pole Creek Area 		Photo 1: Looking to the west at NE-E aspect near and above treeline terrain along the Sierra Crest, wind scoured snow surfaces and icy crusts were obvious. Forecaster
12/28/2018 - 14:45
Snowpack Observation 		Pike's Peak (near highway 108 sno-park)
Outside of the Forecast Area 		Public
12/28/2018 - 12:00
Snowpack Observation 		Rubicon Peak
West Shore Area 		Blowing snow over Jobs/Freel as seen from Hwy 89. Coverage below 7200 ft. remains sparse. Forecaster
12/28/2018 - 12:00
Snowpack Observation 		Chickadee Ridge
Mount Rose Area 		Public
12/28/2018 - 12:00
Snowpack Observation 		Angora Peak
Echo Summit Area 		Professional Observer
12/27/2018 - 13:00
Snowpack Observation 		Trimmer Bonus
Luther Pass Area (including Job and Freel) 		Professional Observer
12/27/2018 - 12:00
Snowpack Observation 		Lincoln Ridge
Yuba Pass Area 		NE winds scouring cornices and drifting snow over the ridgetop. First signs of recent wind transport in textured surface upon reaching near treeline terrain. At 7,200', 8 inches of recent storm snow on top of 12/22 rain crust. No 12/24 rain crust present at and above 7,200'. ECTP-30 on 12/4 buried surface hoar layer. Forecaster
12/27/2018 - 11:00
Snowpack Observation 		Slab Cliffs
Mount Rose Area 		Wind exposed areas scoured from the recent NE winds. ECTN at pit location. Lower snowpack mostly faceted and weak. Skin track refilled within 2.5 hours from wind transport in open below treeline terrain. Forecaster

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