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Avalanche Horse Canyon

Location Name: Horse Canyon Region: Bear Valley Area Observation Date & Time: Sunday, March 5, 2023 - 11:00
Location: 38.293741, -120.029188 See map: CalTopo	Is this an Avalanche Observation?: Yes Conditions Alerts: Avalanche Activity

Observation made by: Public

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Observation

Description of Snow, Weather, and Avalanche Conditions:

Sliding storm snow (from a ski cut) accelerated on a 27 degree slope. Slid over a flatter area and continued to slide out of our line of vision.

Terrain Details

Terrain: elevations:

Near Treeline

Terrain: aspects:

Avalanche Details

Avalanche Type:

Loose Dry/ Sluff

Failure Plane/Weak Layer:

Storm Snow

Trigger

Trigger:

Snowboarder

Trigger Modifier:

Intentionally Triggered

Terrain

Start Zone Slope Angle:

27degrees

Aspect:

East

Starting Elevation:

near-treeline

Size

Destructive Size:

D2 Could bury, injure, or kill a person.

Relative Size:

R2 Small

Crown Height:

2 ft

Avalanche Width (Average width):

112ft.

Avalanche Length (Vertical Run):

100ft.

People Involved

Number of people caught:

Number of partial burials:

Number of full burials:

Weather Details

Elevation of Observation:

8000 - 9000 ft.

Blowing Snow:

Intense

Wind Direction:

North

Wind Speed:

Strong

Sky Cover:

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

Highest Precipitation Rate:

Moderate Snowfall (S2 = 2 cm /~1 in per hour)

Precipitation:

Snow

Air temperature:

Below Freezing

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Avalanche Horse Canyon

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Avalanche Horse Canyon

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