Clague Mountain Cabin and surrounding bowl, back door

Avalanche

stacey.van · Feb 22, 2021 · Kitimat

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Observation photo 1Observation photo 2Observation photo 3

Quick report

Weather
wet, windy, cloudy
Ride Type
openTrees, mellowSlopes
Stayed Away
steepSlopes, sunnySlopes, convexSlopes, alpineSlopes
Riding Quality
good
Snow Conditions
wet, deepPowder, windAffected, heavy
Avalanche Conditions
avalancheConditionSlab, avalancheConditionSound, avalancheConditionTemp, avalancheConditionSnow

Multiple slab releases. Looking at the slopes from the clague cabin you can see numerous spots where the whole mountainside let go.

Weather

Avg Temp
2
Wind Speed
windSpeedLight
Blowing Snow
moderate
Rainfall Rate
raining
Sky Condition
overcast
New Snow24 Hours
40
Storm Start Date
2021-02-20T03:24:00.000Z
Storm Snow Amount
120
Temperature Trend
rising
Precipitation Type
mixedSnowRain

Snowpack

Test Initiation
none
Foot Penetration
60
Cracking Observed
1
Surface Conditions
newSnow
Whumpfing Observed
1

Avalanche

Run Length
500
Slab Width
500
Trigger Type
snowmobile
Avalanche Size
2.5
Slab Thickness
106
Trigger Sub Type
accidental
Start Zone Aspect
NW
Vegetation Cover
sparseTrees
Avalanche Character
deepPersistentSlab, stormSlab, wetSlab
Number Of Avalanches
6-10
Start Zone Elevation
800
Avalanche Observation
12hrsAgo
Weak Layer Crystal Type
surfaceHoar, stormSnow
Start Zone Elevation Band
alp, tln
Avalanche Occurrence Datetime
2021-02-21T15:00:00