Blackomb Glacier / Decker Basin

Avalanche

jessiemcauley1234 · Nov 19, 2021 · Spearhead

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

Quick report

Weather
sunny, cold
Ride Type
sunnySlopes, alpineSlopes
Riding Quality
good
Snow Conditions
windAffected, powder
Avalanche Conditions
avalancheConditionSnow

Weather

Wind Speed
windSpeedLight
Blowing Snow
none
Sky Condition
clear
Wind Direction
SW

Snowpack

Obs Type
summary
Site Aspect
E, SE, S, SW
Site Elevation
2300
Ski Penetration
25
Site Elevation Band
alp
Surface Conditions
newSnow

Avalanche

Run Length
300
Slab Width
250
Trigger Type
natural
Wind Exposure
leeSlope
Avalanche Size
3
Slab Thickness
100
Start Zone Aspect
N, NE
Vegetation Cover
openSlope
Start Zone Incline
30
Avalanche Character
persistentSlab, stormSlab, wetSlab
Crust Near Weak Layer
1
Number Of Avalanches
1
Start Zone Elevation
2200
Avalanche Observation
moreThan48hrsAgo
Start Zone Elevation Band
alp
Avalanche Occurrence Datetime
2021-11-19T12:00:00

Lots of size 2-3.5 avalanches ran in the spearhead on N, NW, NE facing slopes. Likely during the recent storm. The one pictured was located on blackomb glacier with a 1-1.5 meter thick crown with a 200~ meter propagation. It ran to the toe of the Blackomb glacier.