These observations document past conditions at a small and variable scale. They are not too 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 Region Observation Type Photos Snowpack, Avalanche, Weather Videos Snowpit videos (tests, etc) Observation made by
01/04/2021 - 14:00 Dicks Peak Desolation Wilderness Area (including Emerald Bay) Avalanche Observation Avalanche on Dicks Peak viewed from Jakes Peak on Jan 5. Avalanche on Dicks Peak viewed from Rubicon Peak on Dec 29. Avalanche on Dicks Peak viewed from Rubicon Peak on Dec 4. Avalanche crown on Dicks Pk on Dec 30. Area of avalanche crown on Dicks Pk on Dec 30. Forecaster
01/04/2021 - 12:15 Shoulder of Tamarack Peak Mount Rose Area Snowpack Observation Public
01/04/2021 - 12:00 Lincoln Ridge Yuba Pass Area Avalanche Observation Intentionally triggered wind slab avalanche with a small cornice drop. Gale force SW winds on ridge building large fragile cornices with up to 2-2.5' wind slabs. Cracking on small wind loaded test slope. Forecaster
01/04/2021 - 12:00 Scout peak Echo Summit Area Snowpack Observation East facing slope getting loaded from gale force winds from the west. Soft wind slab breaking off from ski cut. Graupel on backpack. Small wind loaded feature. Professional Observer
01/03/2021 - 12:30 Slab Cliffs and Flanks of Relay Mount Rose Area Snowpack Observation We did several snowpits around the Slab Cliffs/Relay Peak area. Slab Fracture PST at Snowpit #2 where the snowpack was shallow and loose. We also got an ECTN 29 at this location. ECTP on the Dec 11 facets at Snowpit #3 location. Other tests at this location included PST 36/100 END on the Dec 11 facets and an ECTX Rimed trees and low clouds as viewed from the top of slab cliffs. Forecaster
01/03/2021 - 11:30 Castle Peak West Ridge Donner Summit Area Snowpack Observation Public
01/03/2021 - 11:30 Ridge line connecting DP and tunnel creek East Shore Area Snowpack Observation Moisture and wind = Faceted grains underneath dec 11 event Public
01/03/2021 - 11:00 Castle Valley and W Ridge Donner Summit Area Snowpack Observation Public
01/02/2021 - 14:00 Castle Valley Donner Summit Area Snowpack Observation Low clouds over Castle Valley Educator
Alpenglow Expeditions
01/02/2021 - 13:15 Silver Peak to Deep Creek Cabin Creek, Deep Creek, or Pole Creek Area Avalanche Observation Guide
International Alpine Guides
01/02/2021 - 13:00 Meiss Carson Pass Area Snowpack Observation Professional Observer
01/02/2021 - 11:30 S/SW Aspect of Tamarack Peak Mount Rose Area Snowpack Observation Signs of wind transported snow on S/SW aspect Limited visibility due to incoming storm. Picture taken toward Mt Houghton Limited visibility due to incoming storm. Picture taken at top of Tamarack. Public
01/02/2021 - 10:30 Lincoln RIdge Yuba Pass Area Snowpack Observation Low level cloud cover provided misty conditions. New wind slabs were dense and difficult to trigger. Only after undercutting a test slope could we get a wind slab to fail. Forecaster
01/02/2021 - 10:00 Scout Peak Echo Summit Area Snowpack Observation Facets from roughly 25 cm deep. Hasty snowpit. Did not perform an ECT. Public
01/02/2021 - 10:00 Jakes Peak West Shore Area Snowpack Observation Pit Profile. Misty cloud cover near Jakes. Roller balls on ski cuts. Professional Observer

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