Tryst chute avalanche

Avalanche

Run Length

100

Slab Width

10

Trigger Type

skier

Wind Exposure

leeSlope

Avalanche Size

2

Slab Thickness

25

Trigger Sub Type

accidental

Start Zone Aspect

N

Vegetation Cover

sparseTrees

Start Zone Incline

40

Avalanche Character

persistentSlab

Number Of Avalanches

1

Start Zone Elevation

2300

Runout Zone Elevation

2200

Avalanche Observation

12hrsAgo

Start Zone Elevation Band

tln

Skier triggered F-4F slab 25cm deep, 10m by 10m propagated start zone, travelling 100m. Size 2 Skier skied out of low hardness moving debris 30-40m after being caught Bed surface was firm, likely buried wind slab Trigger point on 35-40 deg convex roll on 100m 25-30 deg slope

Incident

Group Size

3

Terrain Trap

noTrap

Group Activity

skiing

Number Involved

1

Number Caught Only

1

Snow Depth Trigger Point

average

Terrain Shape Trigger Point

convex