Multiple D1 Storm slabs Incline Peak

Location Name: Incline Peak Region: Mount Rose Area Observation Date & Time: Sunday, February 21, 2021 - 10:30
Location: 39.301151, -119.950138 See map: CalTopo	Is this an Avalanche Observation?: Yes Conditions Alerts: Avalanche Activity Rapid or Prolonged Warming Rapid or Prolonged Warming›Warm Temperatures Terrain Alerts: Slopes Steeper than 30 degrees Terrain Matches the Advisory

Observation made by: Public

Tabs

Observation

Description of Snow, Weather, and Avalanche Conditions:

Ski cut steep roll on Genny Lake cliffs into chute. Performed a handshear at the top of the line and saw consolidated 4" slab. Slab popped right at the convexity where expected and was influenced by solar input.

Later in our tour saw an unintentional BTL skier triggered crown R1D1 in the steep NE shot off of incline peak.

Avalanche Details

Avalanche Type:

Storm Slab

Failure Plane/Weak Layer:

Storm Snow

Additional number of similar avalanches:

Trigger

Trigger:

Snowboarder

Trigger Modifier:

Intentionally Triggered

Terrain

Start Zone Slope Angle:

40degrees

Aspect:

East

Starting Elevation:

near-treeline

Size

Destructive Size:

D1 Relatively harmless to people.

Relative Size:

R1 Very Small

Crown Height:

Less than 1 ft

Avalanche Width (Average width):

30ft.

Avalanche Length (Vertical Run):

100ft.

People Involved

Number of people caught:

Number of partial burials:

Number of full burials:

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Multiple D1 Storm slabs Incline Peak

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Multiple D1 Storm slabs Incline Peak

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