Please remember that these observations indicate what was going on in the snowpack at a single point in time and space. They may not represent conditions where you are or where you plan to be. They also come from a variety of sources. SAC cannot vouch for the quality or accuracy of any observations that come from the general public. Some of these may be professional quality observations; some may not. Please use observations listed on this page as part of your information gathering process, but as always don't make decisions based on a single piece of information. If you are looking for more information on how to understand the information on this page, all of the pit data graphs and stability tests are part of what is presented in a Level II avalanche class that follows the American Avalanche Association (AAA) or American Institute for Avalanche Research and Education (AIARE) curriculum guidelines. All of the coding and abbreviations for data presented follows the publication Snow, Weather, and Avalanches: Observational Guidelines for Avalanche Programs in the United States (SWAG) which is the standard for all professional avalanche programs in the US. An electronic copy is available here. Most of what you are looking for is in Chapter 2 and Appendix F part 1. We use a program called SnowPilot to create the snowpit graphs. It is available as an online tool or as a downloadable program at This website also has a quick video and user guide on how to use create snowpits. Please send us your observations using the buttons below.
Date and time of observation or avalanche occurrence Location Region Observation Type Photos Snowpack, Avalanche, Weather Videos Snowpit videos (tests, etc) Observation made by
02/24/2019 - 02:00 Polaris Bowl & Indian Valley Carson Pass Area Snowpack Observation Public
02/24/2019 - 01:45 Galena Creek Mount Rose Area Snowpack Observation Public
02/23/2019 - 15:30 Becker Peak Echo Summit Area Snowpack Observation Buried graupel on Feb 14 rain crust Buried graupel Educator
Lake Tahoe Community College - Wilderness Education
02/23/2019 - 14:30 Relay Peak Mount Rose Area Snowpack Observation Public
02/23/2019 - 13:00 Ebbets pass Snowpack Observation Public
02/23/2019 - 12:15 Herlan Peak East Shore Area Snowpack Observation Public
02/23/2019 - 12:00 Carpenter Ridge Independence Lake Area Snowpack Observation Minimal amount of snow transport along exposed ridges up to noon.  SW winds did increase at our departure. Along ridges above 8000', up to 12'' of light unconsolidated snow exists for wind transport. Forecaster
02/23/2019 - 11:30 Flagpole Peak Echo Summit Area Snowpack Observation Mid elevation wind effect. Impressive tree flagging from previous slide activity. Near the ridge evidence of previous E wind activity. Professional Observer
02/23/2019 - 11:00 Job's peak East Shore Area Snowpack Observation Public
02/23/2019 - 11:00 Stevens Peak Carson Pass Area Snowpack Observation Public
02/23/2019 - 10:30 Ralston Peak Desolation Wilderness Area (including Emerald Bay) Snowpack Observation ECTP10 4 inches down on a windslab near the Ralston Summit, see observation location. Windslab failure from skinning above a tree moat. Ski track refilling from wind transport after 90 minutes. Public
02/22/2019 - 12:00 Slab Cliffs Mount Rose Area Snowpack Observation Raised tracks on Northerly aspects near ridgeline from the recent NE winds. Wind scoured terrain on upper Northerly aspects in this area from the recent NE winds. Forecaster
02/22/2019 - 09:30 Schallenberger Ridge Donner Summit Area Snowpack Observation The pit from our shovel tap tests. The pink line is the new old snow interface that begrudging, but cleanly broke New rime ice on icicles. Did not affect our travel plans, but was fun to see. Public
02/22/2019 - 05:30 Hope valley sno park Carson Pass Area Snowpack Observation Public
02/21/2019 - 12:00 Peak 9,269' West Shore Area Snowpack Observation Minor wind slab cracking as we first encountered wind loaded areas. Old cornice/wind pillow scoured back by NE winds on top of N-S oriented ridgetop. 1.5 cm thick sun crust on W aspect at ~9,200'. Crust under ~ 5 inches of recent new snow. Forecaster


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