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Observation type
Snowpack

Observer
Ian bryant 

Keep me anonymous if published
no

Location (general area)
Baden powell

Latitude

Longitude

Date (yyyymmdd)
20230402

Time
3pm

Road conditions to area

Temperature
40

Sky
clear (no clouds)

Wind speed
not observed

Wind direction
not observed

Wind direction in degrees

Slope aspect
not observed

Aspect in degrees

Slope angle

Elevation
9400

Snow depth

Boot/ Ski penetration
Shin

Activity, recent avalanches
yes

Brief description

Whumphing noises, shooting cracks. collapsing
no

Rapid warming
yes

Obvious avalanche path
yes

Terrain trap
yes

Comment
Weekend of March 31 - April 2
Climbed Baden Powell three days in a row to enjoy latest snowfall and observe the transition into our first days of spring like weather. 

Other than wet loose concern we observed large hanging cornices over leeward ridges on northern slopes above 9000’. Most are exceptionally large given our usual snowpack and are hanging and convex. Average cornice sizes are anywhere between 10-20’. There is already evidence of some failing due to the rapidly warming temperatures. Wet loose slides riddle BP’s drainages and are evident on all aspects, although none no larger than d1/r1, but that can change as the weather warms into April and May. 

Snow depths are still beyond measurement via my 280cm probe above 8500’

Publish this observation
Yes I would like this observation Published
Picture
Large cornices line the west ridge underneath BP @ 9100’
Picture
Evidence of deteriorating cornice features on north aspect of BP, 9000’

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