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 Region Observation Type Photos Snowpack, Avalanche, Weather Videos Snowpit videos (tests, etc) Observation made by
02/21/2022 - 12:00 Incline Lake Peak Mount Rose Area Snowpack Observation Strong W winds transporting snow along the upper ridgeline forming small wind slabs. Very small wind slabs forming with minor cracking by late morning Short period of convective snow showers late morning. About 1'' at the trailhead with up to 3-4'' of new storm snow at higher elevation. ECTN-16 with no propagation Forecaster
02/20/2022 - 22:10 Powderhouse peak Luther Pass Area (including Job and Freel) Snowpack Observation 3" of new snow on top of Jan. crust. Lenticulars over east side of Tahoe. Weak facets under Jan. crust. Cloudy day over Carson pass. Professional Observer
02/20/2022 - 13:30 Deep Creek Cabin Creek, Deep Creek, or Pole Creek Area Snowpack Observation Buried remnant surface hoar that was under a melt freeze crust.  Very limited dispersion. N aspect near 8,000' still holding cold snow. Side profile of top ~20cm of snowpack: new snow, melt freeze crust, facets, light rain crust (translucent layer), firmer facets below. Sheltered Northern facing terrain in foreground and wind / solar effect snow in background. Variable conditions on SE aspect at 8,400'. S/SE aspect softening near 8,000' at 1:30pm and partially cloudy skies. Public
02/20/2022 - 11:40 Galena Peak Mount Rose Area Snowpack Observation Public
02/20/2022 - 00:31 Blue Lakes Area Carson Pass Area Snowpack Observation Public
02/19/2022 - 13:13 Incline Peak Mount Rose Area Snowpack Observation Even these unpleasant surfaces softened today Quick pit of upper snowpack N aspect@9200’ Textured surface on E aspect Wind effects and old tracks NE aspect Public
02/19/2022 - 12:48 Tragedy Springs Carson Pass Area Snowpack Observation Public
02/19/2022 - 11:00 Rubicon Peak West Shore Area Snowpack Observation E aspect at 9,000' with minor roller balls as recent storm snow transitions to melt-freeze. E aspect at 8,400' with estabilished melt-freeze, 1 inch of corn, and recent storm snow fully assimilated in sun exposed areas. Openings in the trees on the N slopes held 1-2 inches of recent new snow over soft facets. N aspect at 8,800' with 2 inches new snow on top of 3 inches of F+ hard near surface facets. Right side up snowpack below that. E face of Crag Peak which frequently shows signs of wet loose instability showing none. Forecaster
02/18/2022 - 15:40 The nipple Carson Pass Area Avalanche Observation Public
02/18/2022 - 14:37 Castle/Andesite Peak Donner Summit Area Snowpack Observation South side of Castle melting out along ridge lines Guide
Tahoe Mountain SchoolhT
02/18/2022 - 12:58 Tragedy Springs Bear Valley Area Snowpack Observation Melt freeze cornflake snow on south aspects below 8300' Fallen trees and debris within this area. Heavily wind affected snow from recent NE winds. Variable conditions on most slopes. Soft snow on solar aspects throughout the day. Professional Observer
02/18/2022 - 12:30 Carpenter Ridge Independence Lake Area Snowpack Observation Wind scoured areas along the exposed ridges of Carpenter Peak Searching for areas where wind slabs might exist on top of old facets. We did not see any areas with this combination on our search. Shallow recent snow on top of old crusts and facets. Forecaster
02/17/2022 - 14:00 Monument Pass Luther Pass Area (including Job and Freel) Snowpack Observation Professional Observer
02/17/2022 - 10:00 Polaris Point plus Blackwood Canyon below Stanford Rock Blackwood Canyon or Ward Canyon Area Snowpack Observation Wind slab over old near surface facets on a near treeline NW aspect. Wind slab failure from a jump on top of the pit. One inch of surface wet snow on E aspect terrain in Blackwood Canyon below Stanford Rock at about 7,400'. Melted out S aspects in the background. Forecaster
02/16/2022 - 13:33 Becker Peak Echo Summit Area Snowpack Observation Wind scoured ridgeline up to the summit. Wet cohesive surface snow before noon on most aspects below tree line. 35cm of wind loaded snow in isolated areas near ridgeline. A look at Scout peak and the backside of Stevens peak. No new snow on the summit of Becker Peak. Professional Observer


Subscribe to Central Sierra Nevada / Lake Tahoe Snowpack, Weather, and Avalanche Observations for California and Nevada from SAC