State of the Snowpack for 4/9/2022 - 4/15/2022

Dates of the Week: 
4/9/2022 to 4/15/2022
Avalanche Problems: 
General Snowpack Structure: 
  • Recent storm snow on top of bare ground on solar aspects and on top of a well consolidated snowpack on polar aspects.
  • Widespread melt-freeze on all aspects prior to the 4/11 storm event.
Weather Events: 
  • Storm events on 4/11 and 4/15 for a total of 5 to 30 inches of new snow. Greatest snowfall totals were along the Sierra Crest in the northern half of the forecast area.

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

Date and time of observation or avalanche occurrence Location Region Observation Type Photos Snowpack, Avalanche, Weather Videos Snowpit videos (tests, etc) Observation made by
12/06/2022 - 13:00 Shirley Canyon Cabin Creek, Deep Creek, or Pole Creek Area Snowpack Observation Surface Hoar, 1-2mm on N aspect @ 6500' Skier triggered windslab from unknown party. Steep E facing terrain. , Guide
Alpenglow Expeditions
12/06/2022 - 12:55 Elephant's Hump Carson Pass Area Snowpack Observation Public
12/06/2022 - 12:28 Deep Creek Cabin Creek, Deep Creek, or Pole Creek Area Snowpack Observation Guide
Alpenglow Expeditions
12/06/2022 - 12:10 Pole Creek Cabin Creek, Deep Creek, or Pole Creek Area Snowpack Observation When one of us jumped on the snow in this meadow, we triggered a whumpf. We triggered 2 more whumpfs during our tour. Rain had caused the Dec 1st facets to become wet in this area below 7500 ft. They were still loose and weak in many areas. Forecaster
12/06/2022 - 11:51 Becker Peak Echo Summit Area Snowpack Observation Small point releases on Becker peak. Widespread surface hoar on all aspects up to 8400' in this area. Small wind feature with soft slab release. Cloudy skies remaining S-SW near Carson pass. Pit profile on SE aspect @7400'.  Wet compressible snow in the Dec.1st layer Pit profile on N aspect @ 8000' adjacent to Becker peak. Wet compressible snow in the Dec. 1st facet layer. Professional Observer
12/06/2022 - 10:10 Incline Peak Mount Rose Area Snowpack Observation Dry faceted grains Starting to clump when squeezed Guide
Tahoe Mountain School
12/06/2022 - 08:30 Shirley Canyon Avalanche Observation Slide from the top Crown profile from bottom Public
12/05/2022 - 14:12 Schallenberger Ridge Donner Summit Area Snowpack Observation Guide
Alpenglow Expeditions
12/05/2022 - 12:15 Lincoln Ridge Yuba Pass Area Avalanche Observation D1 natural wind slab avalanche, near treeline, NE aspect terrain at about 7,500'. Rain crust and Dec 1 PWL, obvious in the pit wall. Cornices building out in near treeline terrain. Cornices were weak and collapsed easily. Forecaster
12/05/2022 - 12:00 Silver Peak Cabin Creek, Deep Creek, or Pole Creek Area Avalanche Observation Forecaster
12/05/2022 - 11:49 Frog Lake Carson Pass Area Snowpack Observation Over-hanging cornice building up. Pit profile @ 8800' on N aspect. Wind effected snow. Soft wind slab release on wind loaded feature near 8900'. Resistent planar CTV on Dec. 1st facet layer. Professional Observer
12/05/2022 - 10:30 Incline Peak Mount Rose Area Snowpack Observation Public
12/05/2022 - 10:00 Pickett Peak Woodfords Canyon Snowpack Observation Professional Observer
12/04/2022 - 15:30 chickadee ridge Mount Rose Area Snowpack Observation Public
12/04/2022 - 15:30 Carson Range Luther Pass Area (including Job and Freel) Snowpack Observation Public

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