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Avalanche on northeast aspect of Andesite Peak, two buried.

Location Name: Andesite Peak Region: Donner Summit Area Observation Date & Time: Friday, April 15, 2022 - 13:15
Location: 39.351194, -120.366041 See map: CalTopo	Is this an Avalanche Observation?: Yes Conditions Alerts: Avalanche Activity Rapid or Prolonged Warming›Rollerballs / Pinwheels Recent Loading›More Than a Foot of New Snow Terrain Alerts: Slopes Steeper than 30 degrees Terrain Traps

Observation made by: Public

Tabs

Observation

Description of Snow, Weather, and Avalanche Conditions:

Heavy snow and moderate avalanche conditions. All measurements are approximate.

Terrain Details

Terrain: elevations:

Above Treeline

Terrain: aspects:

NE

Avalanche Details

Avalanche Type:

Wet Slab

Failure Plane/Weak Layer:

New/old snow interface

Trigger

Trigger:

Skier

Trigger Modifier:

Remotely Triggered

Terrain

Aspect:

Northeast

Starting Elevation:

above-treeline

Size

Destructive Size:

D2 Could bury, injure, or kill a person.

Relative Size:

R2 Small

Crown Height:

2 ft

Avalanche Width (Average width):

200ft.

Avalanche Length (Vertical Run):

150ft.

People Involved

Number of people caught:

2

Number of partial burials:

2

Number of full burials:

0

Weather Details

Blowing Snow:

None

Wind Speed:

Calm

Sky Cover:

Broken - Mostly Cloudy - more than 4/8 and less than 8/8

Precipitation:

None

Sponsors:

Mt. Rose Ski Tahoe

Kirkwood Mountain Resort

Heavenly Mountain Resort

CA OHMVR

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