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
02/06/2014 - 11:05
Snowpack Observation 		Grouse Rocks
Blackwood Canyon or Ward Canyon Area 		Forecaster
11/12/2014 - 11:45
Snowpack Observation 		Twin Peaks
Blackwood Canyon or Ward Canyon Area 		Forecaster
11/07/2017 - 11:30
Snowpack Observation 		Barker Peak
Blackwood Canyon or Ward Canyon Area 		Snowpit locationN aspect snowcover of 11 inches at ~8,000'. Forecaster
01/15/2019 - 13:00
Snowpack Observation 		Scott Creek
Blackwood Canyon or Ward Canyon Area 		Professional Observer
03/22/2018 - 12:00
Avalanche Observation 		Ward canyon
Blackwood Canyon or Ward Canyon Area 		Guide
Tahoe Mountain Scho
03/27/2014 - 07:35
Avalanche Observation 		Below Grouse Rock
Blackwood Canyon or Ward Canyon Area
Public
12/02/2012 - 04:00
Avalanche Observation 		Grouse Rocks
Blackwood Canyon or Ward Canyon Area
Forecaster
02/15/2023 - 12:00
Snowpack Observation 		Stanford Rock
Blackwood Canyon or Ward Canyon Area 		Blowing snow over the Sierra Crest from strong to gale force NE winds Some cracking in wind loaded terrain when undercut by skin track on 6 to 8'' wind slab. Up to 3'' skin track refill within 1.5 hours. Wind scouring in exposed areas NTL terrain. ECTN on Jan 29 buried SH layer at this location. Forecaster
01/16/2014 - 11:30
Snowpack Observation 		Grouse Rocks
Blackwood Canyon or Ward Canyon Area 		Forecaster
12/14/2018 - 12:30
Snowpack Observation 		Twin Peaks
Blackwood Canyon or Ward Canyon Area 		Lenticular clouds and some wind transport along the Sierra Crest near Twin Peaks. ECT test with no fractures from a near treeline line test slope. Small wind pillow with some cracking. The wind slab only extended a few feet downslope. Forecaster
02/01/2014 - 15:00
Snowpack Observation 		Grouse ridge
Blackwood Canyon or Ward Canyon Area 		Public
03/03/2015 - 12:30
Snowpack Observation 		Grouse Rock
Blackwood Canyon or Ward Canyon Area 		Professional Observer
01/17/2017 - 11:30
Snowpack Observation 		Stanford Rock
Blackwood Canyon or Ward Canyon Area 		1/12 rain crust at 6700' on North aspect2-3mm surface hoar below 7000'. In areas near creek up to 2-3cm in size. Forecaster
03/27/2023 - 11:30
Avalanche Observation 		Isolated Convexity between Little Alaska and Twin Peaks
Blackwood Canyon or Ward Canyon Area 		Public
04/11/2021 - 10:45
Snowpack Observation 		Twin Peaks
Blackwood Canyon or Ward Canyon Area 		NNE aspect terrain at 8,600' with sufficient solar radiation for established melt freeze. Transitional snow on shaded N aspect, thin melt-freeze crust over dry snow. Loose wet debris, likely 1-2 days old where the tree shadows are across the gully. Forecaster

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