Storm slab on Skook Peak

Location Name: Skook Peak Observation date: Friday, February 19, 2021 - 14:00	Is this an Avalanche Observation: Yes

Observation made by: Public

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Quick Observation

Snowpack, Avalanche, Weather Images:

Travel Details

Region:

Whitefish Range - Southern (south of Coal Creek)

Route Description:

Skinned up to Skook peak from canyon creek road via WMR. Skied the south/southeast face and regained the skin track for another lap.

Activity:

Snowboarding

Snowpack Details

Snowpack and Weather Details:

Terrain

Elevation of observation:

5000-6500 ft

Aspect(s) of observation:

Red Flags:

Blowing snow

New Snow in the past 24 hours:

4.00in.

Total Snow Depth:

Unknown

Blowing Snow:

Moderate

Wind Speed:

Moderate (Small trees sway)

Wind Direction:

West

Air temperature:

Below Freezing

Snow line:

3000’

Sky Cover:

Obscured by fog, etc (X)

Highest Precipitation Rate:

Moderate Snowfall (S2)

Avalanche Details

Avalanche Details:

Date and Time of Avalanche:

Friday, February 19, 2021 - 14:15

Number of avalanches:

Avalanche Type:

Soft Slab

Failure Plane/Weak Layer:

New/old snow interface

Trigger

Trigger:

snowboarder

Trigger Modifier:

Accidentally Triggered

Terrain

Start Zone Slope Angle:

Aspect:

Southeast

Starting Elevation:

near-treeline

Size

Destructive Size:

D2 Could bury, injure, or kill a person.

Relative Size:

R2 Small

Crown Height:

2 ft

Avalanche Length (Vertical Run):

150ft.

Avalanche Width (Average width):

60ft.

People Involved

Number of people caught:

Number of partial burials:

Number of full burials:

Avalanche Location:

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