West Ymir Wiggles and Whumpfs

Quick report

Weather

cloudy, foggy

Ride Type

mellowSlopes, steepSlopes, openTrees

Stayed Away

convexSlopes

Riding Quality

good

Snow Conditions

powder

Avalanche Conditions

avalancheConditionSound, avalancheConditionSlab

Fun skiing in Westies dodging frozen chunks of old debris from warming cycle. Almost like a slalom course! Shooting cracks and whumpfing noted on backside of Prospector during travel.

Weather

Wind Speed

windSpeedLight

Blowing Snow

none

Sky Condition

brokenClouds

Wind Direction

SE

Precipitation Type

none

Snowpack

Obs Type

summary

Site Aspect

N

Site Elevation

2100

Cracking Observed

1

Site Elevation Band

tln

Surface Conditions

newSnow

Whumpfing Observed

1

Test Failure Layer Crystal Types

facets

Whumpfing observed in isolated pockets BTL ~2000m in the trees on S aspect. Suspect due to isolated pockets of Jan 28 SH. Hand shear tests on E-SE aspects ~2100 m yielded failure below MFcr on FC, sz 1-2.

Avalanche

Run Length

20

Slab Width

3

Trigger Type

skier

Avalanche Size

1

Slab Thickness

15

Trigger Sub Type

intentional

Start Zone Aspect

N

Vegetation Cover

sparseTrees

Avalanche Character

stormSlab

Crust Near Weak Layer

1

Number Of Avalanches

1

Weak Layer Burial Date

2026-02-07

Avalanche Observation

12hrsAgo

Start Zone Elevation Band

btl

Avalanche Occurrence Datetime

2026-02-08T19:50:00.000Z

Small pocket of storm slab released on a convex slope after Sc in Broke Neck.