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
01/04/2022 - 13:20
Snowpack Observation 		Luther Pass
Luther Pass Area (including Job and Freel) 		Heavily wind affected snow in exposed areas, gullies and drainages within tree line. Frozen rain crust first thing in the morning from 7600'-8300'. Ski tracks wind loaded with pine needles and debris. ECTP1 on hard windslabs within tree line. Clean planar fracture between wind slabs and old snow interface. Hoar frost needles growing on trees above 9000'. Boot top ski pen in unconsolidated snow on N aspects. Broken skies on the Sierra crest early in the morning. Professional Observer
01/04/2022 - 11:00
Snowpack Observation 		Becker Ridge
Echo Summit Area 		Tons of down needles and small branches Presumed recent wind driven fallen tree Blackened trees without any snow on them Old ski and snowshoe tracks in this more open area where mostly filled in by wind transported snow. Evidence of wind eroding snow on the tree line ridge Cornices that appear to have pulled away in places No cracking and minimal ski penetration on this wind loaded test slope Thick frozen rain Interesting pattern of frozen rain on a branch Professional Observer
01/04/2022 - 09:00
Snowpack Observation 		Silver Peak
Cabin Creek, Deep Creek, or Pole Creek Area 		Shooting crack on a wind-loaded test slope at ~7800 ft. 4- 6 inch, 1-finger hard wind slab on top of fist hard soft snow. Debris from trees on an open lower elevation slope. Blowing snow, clouds, and wind affected snow surfaces on the NE ridge of Silver Peak Signs of wind scouring on a slope that traditionally gets wind loaded. Forecaster
01/04/2022 - 08:00
Avalanche Observation 		Crater Lake Rd.
Carson Pass Area 		Old avalanche debris along Crater Lake Rd. Public
01/04/2022 - 06:00
Avalanche Observation 		Castle Peak
Donner Summit Area 		Educator
West Wind Collecti
01/04/2022 - 05:00
Avalanche Observation 		Lincoln Ridge
Yuba Pass Area 		Natural wind slab avalanche triggered by cornice collapse Large cornices forming along Lincoln Ridge Forecaster
01/04/2022 - 04:00
Avalanche Observation 		Peak 7,483'
Donner Summit Area 		Natural wind slab avalanche form the Jan 3rd/4th cycle as seen on Jan 8. Natural wind slab avalanche form the Jan 3rd/4th cycle as seen on Jan 8. Forecaster
01/03/2022 - 12:30
Snowpack Observation 		Angora Peak
Desolation Wilderness Area (including Emerald Bay) 		Blowing snow along Echo Peak Snow transport on Mt. Tallac Hard wind slab conditions with easy hand pit results, 4-6'' deep, P hard slab over 4F softer snow. Wind hammered conditions in open below treeline terrain Forecaster
01/03/2022 - 12:00
Snowpack Observation 		Burnside Lake
Woodfords Canyon 		Professional Observer
01/03/2022 - 10:30
Avalanche Observation 		Silver Peak
Cabin Creek, Deep Creek, or Pole Creek Area 		Hard to see, but wind slab failure crosses bowl Public
01/03/2022 - 09:00
Avalanche Observation 		Stanford Rock
West Shore Area 		Public
01/02/2022 - 14:50
Snowpack Observation 		SE Slide Mountain-Manzanita Bowl
Mount Rose Area 		Public
01/02/2022 - 13:05
Snowpack Observation 		Pickett Peak
Woodfords Canyon 		Test slope on NW aspect slid on a jump. Close up of test slope. 2" firm wind slab on 4-7" loose snow, on denser snow The peak. Observed light-moderate blowing snow and old crowns if you zoom in Graupel in a couple of spots surface hoar in open areas below ~8k. Melting where in sun Public
01/02/2022 - 13:01
Snowpack Observation 		Incline Peak
Mount Rose Area 		Public
01/02/2022 - 13:00
Avalanche Observation 		Carpenter Ridge
Independence Lake Area 		Test slope wind slab. Max Crown height ~25cm. Cornice development (height ~3m). This cornice had previously failed resulting in a wind slab avalanche with propagation. Old semi-buried avalanche debris. Cornice failure onto wind slab with propagation. Blowing snow Public

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