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
Angora Peak

Echo Summit Area
Professional Observer
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
12/27/2018 - 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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