Ridgetop Windslab on crust

Quick report

Weather

cloudy, foggy

Ride Type

alpineSlopes

Stayed Away

convexSlopes

Riding Quality

good

Snow Conditions

powder

Avalanche Conditions

avalancheConditionSlab

Avalanche

Run Length

77

Slab Width

15

Trigger Type

skier

Wind Exposure

leeSlope

Avalanche Size

1.5

Slab Thickness

40

Trigger Sub Type

accidental

Start Zone Aspect

NE

Vegetation Cover

openSlope

Start Zone Incline

40

Avalanche Character

windSlab

Crust Near Weak Layer

1

Number Of Avalanches

1

Start Zone Elevation

2310

Runout Zone Elevation

2196

Weak Layer Burial Date

2024-01-21

Avalanche Observation

12hrsAgo

Start Zone Elevation Band

alp

Avalanche Occurrence Datetime

2024-01-23T19:00:00.000Z

Incident

Group Size

2

Terrain Trap

gullyDepression

Group Activity

skiing

Number Injured

0

Number Involved

1

Number Caught Only

1

Number Fully Buried

0

Snow Depth Trigger Point

deep

Terrain Shape Trigger Point

planar

Number Partly Buried Able Breathing

0

Number Partly Buried Impaired Breathing

0

First skier down windloaded lee slope at ridgetop triggered soft windlslab and was carried into bench formed by persistent windscoop above Blackcomb Glacier. Startzone and runout both within WB tenure, but beyond current boundary. No injuries, reported to Blackcomb Ski Patrol.