The last avalanche forecast for the 2023-2024 season will post on April 21st. Thank you to all who contributed to the avalanche center this season through observations, volunteer time, and/or financial contributions.

Mt. Judah Avalanches

Location Name: Mt. Judah Region: Donner Summit Area Observation Date & Time: Monday, January 7, 2019 - 08:00
Location: 39.302562, -120.317034 See map: CalTopo	Is this an Avalanche Observation?: Yes Conditions Alerts: Avalanche Activity Recent Loading Recent Loading›Blowing Snow Recent Loading›More Than a Foot of New Snow Recent Loading›Snowfall Rates of More Than 1 in/hr Terrain Alerts: Slopes Steeper than 30 degrees Obvious Slide Path Trigger Points Terrain Traps Terrain Matches the Advisory

Observation made by: Forecaster

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Observation

Description of Snow, Weather, and Avalanche Conditions:

Natural avalanches observed in the Mt. Judah area on Tuesday 1/8. Several avalanches occurred off of the summit ridge of Mt. Judah on an E aspect at 8100'. Additional avalanches were observed along Wildflower Ridge at 7800' on a NE aspect. All of these avalanches were thought to be wind slab avalanches that failed during or towards the end of the 1/5-1/7 storm cycle. Some of the larger avalanches ran full path down to the flats. From the photos, you can see avalanche debris that is mostly covered in some areas and debris that looks relatively new indicating the different timing of avalanche occurrence.

Several natural avalanches on Mt. Judah occurring at different times throughout the 1/5-1/7 storm cycle. Some avalanches ran full path to bottom flats. 8100', E aspect.

Different angle of Mt. Judah avalanches. Some debris mostly covered and some looks to have occurred towards the end of the storm.

Multiple natural wind slab avalanches on Wildflower Ridge, 7800', NE aspect.

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