Nimpkish Direct

Quick report

Weather

cloudy, windy

Ride Type

alpineSlopes, openTrees, steepSlopes

Stayed Away

cutBlocks

Riding Quality

good

Snow Conditions

powder, windAffected

Avalanche Conditions

avalancheConditionSlab, avalancheConditionSnow, avalancheConditionSound

Weather

Avg Temp

-2

Max Temp

0

Min Temp

-5

Wind Speed

windSpeedStrong

Blowing Snow

intense

Sky Condition

brokenClouds

Snowfall Rate

1

Wind Direction

NW

New Snow24 Hours

5

Storm Start Date

2024-11-23

Storm Snow Amount

30

Temperature Trend

steady

Precipitation Type

snow

Snowpack

Depth

99

Obs Type

point

Site Aspect

SE

Ski Penetration

20

Test Initiation

none

Foot Penetration

50

Sled Penetration

30

Cracking Observed

1

Site Elevation Band

tln

Surface Conditions

newSnow

Whumpfing Observed

1

Avalanche

Run Length

199

Slab Width

3

Trigger Type

skier

Wind Exposure

downFlow

Avalanche Size

1

Slab Thickness

10

Trigger Sub Type

accidental

Start Zone Aspect

N

Vegetation Cover

openSlope

Start Zone Incline

35

Avalanche Character

stormSlab

Number Of Avalanches

1

Start Zone Elevation

1500

Runout Zone Elevation

1299

Weak Layer Burial Date

2024-11-24

Avalanche Observation

12to24hrsAgo

Weak Layer Crystal Type

stormSnow

Start Zone Elevation Band

alp

Avalanche Occurrence Datetime

2024-11-24T19:30:00.000Z

At the exit of a 50m couloir that was concentrating wind blown snow at the exit onto a North facing snow field a small skier triggered wind slab released on the previous days snow event termination layer that was exposed to a cold clear night. The avalanche maintained its width of its crown 3m and ran approximately 200m without gathering much momentum and terminated on a flat bench above cliffs.

Incident

Group Size

2

Group Activity

skiing