Avalanche on Stevens Peak

Location Name: Stevens Peak Region: Carson Pass Area Observation Date & Time: Saturday, December 18, 2021 - 13:00
Location: 38.734108, -119.970416 See map: CalTopo	Is this an Avalanche Observation?: Yes Conditions Alerts: Avalanche Activity Recent Loading Recent Loading›Blowing Snow Terrain Alerts: Slopes Steeper than 30 degrees Trigger Points Terrain Matches the Advisory

Observation made by: Public

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Observation

Description of Snow, Weather, and Avalanche Conditions:

Traversing down across the lower middle of this slope, first skiier triggered a slow moving avalanche. Skier was pulled down about 30 feet with one leg burried. Suspected wind loading from previous storm.

Snowpack Details

Persistent Weak Layers:

Buried

Terrain Details

Terrain: elevations:

Below Treeline

Terrain: aspects:

Avalanche Details

Avalanche Type:

Wind Slab

Failure Plane/Weak Layer:

Storm Snow

Trigger

Trigger:

Skier

Trigger Modifier:

Accidentally Triggered

Terrain

Start Zone Slope Angle:

30degrees

Aspect:

Northeast

Starting Elevation:

below-treeline

Size

Destructive Size:

D1 Relatively harmless to people.

Relative Size:

R2 Small

Crown Height:

Less than 1 ft

Avalanche Width (Average width):

80ft.

Avalanche Length (Vertical Run):

100ft.

People Involved

Number of people caught:

Number of partial burials:

Number of full burials:

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Avalanche on Stevens Peak

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Avalanche on Stevens Peak

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