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
02/16/2018 - 11:30
Snowpack Observation 		Silver Peak
Cabin Creek, Deep Creek, or Pole Creek Area 		Forecaster
02/17/2018 - 09:30
Snowpack Observation 		Chickadee Ridge
Mount Rose Area 		Tiny, superficial wind slab near treeline, too small to present a significant hazard.More tiny, superficial wind slab near treeline, too small to present a significant hazard. Forecaster
02/18/2018 - 12:00
Snowpack Observation 		Rubicon Peak
West Shore Area 		Wind scoured N aspects at 9000'. Forecaster
02/19/2018 - 12:00
Snowpack Observation 		Tamarack Peak
Mount Rose Area 		Small wind slab, 8-10'', on N aspect at 9200' in near treeline terrain.Cornices release onto wind loaded slopes did not result in any wind slab failure.NW/N aspect on Far East Ridge of Tamarack was scoured back to firm crusts with cornice removed by NW winds.Skin track was refilled by wind within 2 hours along ridgeline by NW winds. Forecaster
02/20/2018 - 12:00
Snowpack Observation 		Black Butte
Carson Pass Area 		Professional Observer
02/20/2018 - 13:15
Snowpack Observation 		South side of Grouse Rock
Blackwood Canyon or Ward Canyon Area 		Wind scoured W aspects. Small skier triggered cornice failure on E aspect with very minor cracking on wind slab below. Forecaster
02/21/2018 - 12:00
Snowpack Observation 		Castle Peak/Andesite Peak
Donner Summit Area 		Built out cornices just below Castle Peak. W-NW ridge is scoured to firm crusts with up to 8'' of wind blown snow on leeward side. Exposed SW-W aspects at 8200' on Andesite Peak are well scoured with little to no snow available for transport. Forecaster
02/21/2018 - 12:30
Snowpack Observation 		Chickadee Ridge
Mount Rose Area 		Recent storm snow over poorly developed near surface facets. Forecaster
02/22/2018 - 11:00
Snowpack Observation 		Incline Lake Peak/Slab Cliffs
Donner Summit Area 		Forecaster
02/22/2018 - 12:00
Snowpack Observation 		Frog Lake Ridge
Carson Pass Area 		Professional Observer
02/22/2018 - 13:45
Snowpack Observation 		Grouse rock
Blackwood Canyon or Ward Canyon Area 		Small loose dry avalanche Skin track filled back in - less than 1 hour Guide
Tahoe Mountain Scho
02/23/2018 - 09:00
Snowpack Observation 		W end Boreal Ridge
Donner Summit Area 		Guide
Donner Summit Avalanche Semina
02/23/2018 - 11:00
Snowpack Observation 		Castle Peak
Donner Summit Area 		Cornice on the right (E aspect) and wind pillow on the left (W aspect) due to the shift from SW to NE winds. Wind scoured cornices on E aspect between Castle Pass and Castle Pk. Blowing snow along the Castle Pk - Basin Pk ridgeline. No signs of new wind slab formation. Forecaster
02/23/2018 - 12:00
Snowpack Observation 		Ebbetts Pass and Hiram Peak
Ebbetts Pass Area 		Professional Observer
02/23/2018 - 12:30
Snowpack Observation 		top of NatGeo bowl
Cabin Creek, Deep Creek, or Pole Creek Area 		Guide
Alpenglow Expeditio

Pages