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January 6-7th Storm Accumulation and Snowpack Stability

Location Name: 
Skier R Shoulder of Sun Bowl
Mt. Shasta
Date and time of observation: 
Fri, 01/07/2022 - 1:00pm
Observation made by: 

Location Map

96067 Mount Shasta , CA
United States
41° 21' 56.6532" N, 122° 13' 18.192" W
California US

Snowpack Observations


8,000ft E/SE near treeline, @1300, 250cm total

-15cm Fist hard new snow 

-30cm Pencil hard of rain percolated snow atop of melt/freeze crust

-30cm 1Finger hard of brk particles to 12/28crust

ECTN20 at 45cm from surface (broke at melt freeze crust under water percolated snow)

Shovel Shear demonstrated strong bond throughout

At this specific site, the wind slab was evident, though stubborn to trigger. Also no evidence of propensity to propagate. 

*New storm snow (15cm) easy to trigger w/ shear tests and minimal propagation noted.

Weather Observations


1100-1500 temps hovered slightly bellow freezing, S-1 on and off throughout the day. Afternoon sky opening warmed snow surface on S slopes.

3-4" past 24hrs at Bunny Flat. Freezing levels 4.5-5k

Widespread evidence of loading onto E aspects. Above treeline looked wind affected, texured and chalky.