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Early season blues
Location Name:
Snowshed
Observation date:
Monday, December 9, 2019 - 12:00
Is this an Avalanche Observation:
No
Observation made by:
Public
Tabs
Quick Observation
Toured up Snowshed Mtn to seek out turns and assess early season snowspack structure.
Weather- Below freezing, light variable winds, very light snowfall, cloud cover 100%
Below 6000'
-Generally speaking 4-6" of recent snow
6500'
-Experienced our first collapse (whumpf) in sheltered area near ridgeline
-HS 60cm
-Dug a quick pit on a SE aspect, conducted CT with failure on facets above Nov 19 crust, moderate force
-Nov 19 crust buried under 40-50cm snow in this location
7000'
-Atypical cornice development with recent Arctics
-8-10" new snow
-NE winds had scoured/affected ridgelines (snow was slabby and thin in these locations)
-Skied a low angle, treed slope on a SE aspect. Upon my first few turns off the ridgeline, experienced a very large collapse
-Dug a pit immediately after collapse
HS 100cm
ECTP 13 @ 40cm (failed on facet layer Nov 19 crust)
-Nov 19 crust/facet combo buried 60cm below surface, with subsequent 4F to F hardness slab capping it
-The basal structure was weak in this particular location