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.

Wind loading on Boreal Ridge

Location Name:

W end Boreal Ridge

Region:

Donner Summit Area

Observation Date & Time:

Friday, February 23, 2018 - 09:00

Location:

39.324683, -120.357113

See map: CalTopo

Is this an Avalanche Observation?:

No

Conditions Alerts:

Other Signs of Instability (cracking, whumpfing, collapsing)
Other Signs of Instability (cracking, whumpfing, collapsing)›Collapsing / whumpfing noises
Other Signs of Instability (cracking, whumpfing, collapsing)›Shooting Cracks
Recent Loading
Recent Loading›Blowing Snow

Terrain Alerts:

Slopes Steeper than 30 degrees

Obvious Slide Path

Terrain Traps

Observation made by: Guide at Donner Summit Avalanche Seminars

Tabs

Observation

Description of Snow, Weather, and Avalanche Conditions:

Significant soft snow available for wind transport this morning under fairly stiff NNE winds. Some minor cracking, and as surface becomes windpressed the new snow is feeling a bit upside down.

Terrain Details

Terrain: elevations:

Near Treeline

Terrain: aspects:

NW

Weather Details

Elevation of Observation:

7000 - 8000 ft.

Blowing Snow:

Moderate

Wind Direction:

Northeast

Wind Speed:

Strong

Sky Cover:

Few - Mostly Clear - up to 2/8 covered

Air temperature:

Below Freezing

Sponsors:

Mt. Rose Ski Tahoe

CA OHMVR

Heavenly Mountain Resort

Kirkwood Mountain Resort

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