Buck Lake slides

Avalanche

Mike B · Feb 4, 2023 · Maligne

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Observation photo 1Observation photo 2Observation photo 3Observation photo 4Observation photo 5

Quick report

Weather
warm
Ride Type
steepSlopes, openTrees
Stayed Away
alpineSlopes
Riding Quality
good
Snow Conditions
powder
Avalanche Conditions
avalancheConditionSound

Weather

Wind Speed
windSpeedLight
Blowing Snow
none
Sky Condition
brokenClouds
Wind Direction
SW
Temperature Trend
steady
Precipitation Type
none

Snowpack

Obs Type
summary
Site Aspect
W
Site Elevation
2100
Ski Penetration
20
Cracking Observed
1
Site Elevation Band
tln
Surface Conditions
newSnow
Whumpfing Observed
1

Avalanche

Run Length
700
Slab Width
20
Trigger Type
natural
Wind Exposure
crossLoadedSlope
Avalanche Size
2
Start Zone Aspect
W
Vegetation Cover
openSlope
Start Zone Incline
40
Avalanche Character
windSlab, corniceWithSlab
Number Of Avalanches
2-5
Start Zone Elevation
2300
Runout Zone Elevation
1900
Avalanche Observation
24to48hrsAgo
Start Zone Elevation Band
alp
Avalanche Occurrence Datetime
2023-02-04T21:00:00.000Z

Looked like soft windslab triggered by cornice fall. Deposited snow far up in the track all the way down to runout, mostly <1m. Had a small sz 1 Sa triggered in similar but smaller gulley that just picked up soft surface snow and ran with it approx 250m