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 Snowpack, Avalanche, Weather Images Observation made by
02/25/2023 - 14:30
Avalanche Observation 		Lower Trimmer Trees
Luther Pass Area (including Job and Freel) 		Ski cut line on the left, crown on the top/right The crown hugged the rock band Can see similar signs of wind affected snow adjacent to the crown Public
02/25/2023 - 14:00
Avalanche Observation 		Donner Canyon
Donner Summit Area 		one of our ECT's, Buried SH layer visible Avalanche crown we suspected was triggered during the day today Buried SH found 77 cm down in the snowpack Educator
Alpenglow Expeditions
02/25/2023 - 13:00
Snowpack Observation 		Highland Lakes, Pacific Valley
Ebbetts Pass Area 		Public
02/25/2023 - 12:43
Snowpack Observation 		Trestle Peak
Donner Summit Area 		Public
02/25/2023 - 12:40
Snowpack Observation 		Rubicon
West Shore Area 		Public
02/25/2023 - 12:30
Snowpack Observation 		Andesite Ridge
Donner Summit Area 		Public
02/25/2023 - 12:00
Snowpack Observation 		Rose Knob
Mount Rose Area 		Guide
Tahoe Mountain School
02/25/2023 - 12:00
Snowpack Observation 		The Fireplug
Mount Rose Area 		In exposed areas a wind affected snow was present and stiffened noticeably during the day. In exposed areas a wind affected snow was present and stiffened noticeably during the day. Riming indicates that northerly winds were present on N Fireplug during the precipitation on 2/24 Guide
Blackbird Mountain Guides
02/25/2023 - 11:00
Snowpack Observation 		Carson Pass South
Carson Pass Area 		Intentionally triggered slide on the steep slopes near the trailhead. Small shooting cracks Low cloud ceiling made longer range observations challenging. Some cracking on a west facing test slope Settlement cone and a nearly buried XC trail marker Professional Observer
02/25/2023 - 11:00
Snowpack Observation 		Spooner
East Shore Area 		Public
02/25/2023 - 11:00
Avalanche Observation 		PCT South of Carson Pass
Carson Pass Area 		Looking up at the slide from mid slide Looking up at the slide from well below Looking up from near the toe of the debris Near the flank from lower angle terrain Crown detail Professional Observer
02/25/2023 - 11:00
Snowpack Observation 		The Nipple
Carson Pass Area 		110cm of snow since Tuesday, with a "right side up" hand hardness profile and no instabilities observed Professional Observer
02/25/2023 - 10:30
Snowpack Observation 		Tamarack
Mount Rose Area 		Public
02/25/2023 - 10:00
Avalanche Observation 		Galena creek drainage
Mount Rose Area 		Public
02/25/2023 - 10:00
Avalanche Observation 		Trestle Peak
Donner Summit Area 		Avalanche on low on Trestle Peak Avalanche on low on Trestle Peak Avalanche on low on Trestle Peak Avalanche on low on Trestle Peak Forecaster
02/25/2023 - 09:30
Snowpack Observation 		Ward/Blackwood Ridge
West Shore Area 		Public
02/25/2023 - 03:03
Snowpack Observation 		Mt Rose Area
Mount Rose Area 		Public
02/24/2023 - 17:00
Snowpack Observation 		Waterhouse peak
Luther Pass Area (including Job and Freel) 		Public
02/24/2023 - 12:00
Snowpack Observation 		Schoolhouse
East Shore Area 		2ft of recent snow at this location. My shovel rests on the old snow surface Cracking observed when we got into wind drifted snow More cracking in wind drifted snow Grey stripe is a thin crust, with facets below it ECTs partially propagated on a crust/facet layer Professional Observer
02/24/2023 - 12:00
Snowpack Observation 		Johnson Canyon
Donner Summit Area 		I-80 westbound empty at midday Along steep sections of the skin track deep snow was fracturing in front of skis Along steep sections of the skin track deep snow was fracturing in front of skis In shallower areas <30cm skis penetrated to the 2/20 surface crust Guide
Blackbird Mountain Guides

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