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

Donner Peak snowpit

Location Name: Donner Peak, NE aspect @ 7,200' Region: Donner Summit Area Observation Date & Time: Thursday, December 29, 2022 - 12:58
Location: 39.314340, -120.319100 See map: CalTopo	Is this an Avalanche Observation?: No Conditions Alerts: Recent Loading›Blowing Snow Recent Loading›Rain on Snow

Observation made by: Guide at Blackbird Mountain Guides

Tabs

Observation

Description of Snow, Weather, and Avalanche Conditions:

Before noon S-1 and light blowing snow. Noon to 2:30 pm mostly clear (Few). After 2:30 pm increasing clouds to 100% by 4:00 pm. Ridge top wind west, moderate-strong.

Pit layers drawn

Pit layers drawn

Surface snow is not bonding well to rain crust below, difficult skinning.

Surface snow is not bonding well to rain crust below, difficult skinning.

Quick pit to check layering on N aspect, look for basal facets.

Quick pit to check layering on N aspect, look for basal facets.

Snowpit or crown profile photo or graph:

Snowpack Details

Total Snow Depth:

174cm

Persistent Weak Layers:

Buried

Terrain Details

Terrain: elevations:

Below Treeline

Terrain: aspects:

NE

Weather Details

Elevation of Observation:

7000 - 8000 ft.

Blowing Snow:

Light

Wind Direction:

West

Wind Speed:

Moderate

Sky Cover:

Few - Mostly Clear - up to 2/8 covered

Highest Precipitation Rate:

Light Snowfall (S1 (S-1 = 1 cm /~.5 in per hour)

Precipitation:

Snow

Air temperature:

Above Freezing

Sponsors:

Mt. Rose Ski Tahoe

Heavenly Mountain Resort

Kirkwood Mountain Resort

CA OHMVR

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