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. This program is available as a free download at http://www.snowpilot.org/. A video on how to download and use this program is available here.

Location Region Observation Type Date and time of observation or avalanche occurrence Avalanche observation video Avalanche photos Snowpit videos (tests, etc) Snowpack photos Snowpit or crown profile photo or graph Observation made by
NE Bowl of LFP Williams Lake Area Snowpack Observation 01/31/2017 - 12:20 Public
No Name Area Williams Lake Area Snowpack Observation 01/30/2017 - 13:40 Forecaster
Along BOW trail Long Canyon Area Snowpack Observation 01/26/2017 - 10:00 Public
Williams Lake Area Williams Lake Area Snowpack Observation 01/24/2017 - 12:31 Storm Slab and Persistent Slab Concern Storm Slab Avalanche South Aspect above TSV Parking Lot Roof Avalanches are a major concern right now Forecaster
Williams Lake Area Williams Lake Area Snowpack Observation 01/23/2017 - 14:10

Storm slab w/ more snow and wind on the way. Dangerous avie conditions!

Storm slab w/ more snow and wind on the way. Dangerous avie conditions!

Photo of Crown on NE Aspect at 11,700' Avalanche Debris Forecaster
Raven Ridge Clearing @ 11212' Outside of the Forecast Area Snowpack Observation 01/22/2017 - 11:30 Public
Wildy Bowl Williams Lake Area Snowpack Observation 01/21/2017 - 12:33 Clean Shear below the wind slab formed on Thursday Forecaster
East face of Long Canyon Long Canyon Area Snowpack Observation 01/20/2017 - 12:14 Forecaster
East Aspect Above Treeline Williams Lake Area Snowpack Observation 01/19/2017 - 12:22 Forecaster
Snowshoe Couloir Long Canyon Area Avalanche Observation 01/19/2017 - 11:56 Public
williams lake drainage Williams Lake Area Snowpack Observation 01/18/2017 - 12:11 surface hoar with a bit of graupel Forecaster
Relica Chute Red River Area Snowpack Observation 01/18/2017 - 12:00 Public
Lake Fork and No Name Area Williams Lake Area Snowpack Observation 01/17/2017 - 12:45 Clouds Clearing and Sun Coming Out Loose Snow Avalanches Below Rock Bands More Loose Snow Avalanches Forecaster
Simpson Peak Area Williams Lake Area Snowpack Observation 01/16/2017 - 12:17 Shooting crack just below the ridge line on a NW aspect at 12,800' Spindrift coming off the cliff Pit Photo on a SW aspect Near Treeline Forecaster
Bull of the Woods Area La Cal Basin or Lost Lake Area Snowpack Observation 01/12/2017 - 12:50 facets below a crust that formed before last fridays storm Snowpit from an East Aspect at 11,000' in the Bull of the Woods Area Forecaster

Pages