Burstall Pass Trees

Avalanche

cheyanne.boehm · Nov 20, 2021 · Spray - KLakes

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

Quick report

Weather
windy, cloudy
Ride Type
openTrees, mellowSlopes, denseTrees
Stayed Away
convexSlopes, alpineSlopes, steepSlopes
Riding Quality
amazing
Snow Conditions
deepPowder
Avalanche Conditions
avalancheConditionSlab

Amazing ski quality in the trees near Burstall Pass. Worth the trek in. No evidence of instability during our ascent, but recent activity in the alpine and significant wind affect in non-sheltered areas kept us from poking around above treeline.

Weather

Wind Speed
windSpeedStrong
Blowing Snow
light
Sky Condition
brokenClouds
Snowfall Rate
1
Wind Direction
SW
Precipitation Type
snow

Strong gusty winds at valley bottom and visual evidence of same at alpine. Limited wind noted in trees.

Avalanche

Run Length
80
Trigger Type
natural
Wind Exposure
crossLoadedSlope
Avalanche Size
1.5
Start Zone Aspect
NE
Vegetation Cover
openSlope
Avalanche Character
corniceWithSlab, windSlab
Number Of Avalanches
1
Avalanche Observation
12to24hrsAgo
Start Zone Elevation Band
alp
Avalanche Occurrence Datetime
2021-11-20T12:30:00

Noted a size ~1.5 windslab avalanche, possibly secondary to cornice failure (see pic). Likely recent given moderate-strong winds with precip present in alpine with crown/runout still visible.