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Observation: Turnagain

Location: Sunnyside Seattle Ridge

Date:
Observer:
Route & General Observations

Followed uptrack from DOT wx station P.L. on N. side highway to turnaround point at 1950ft

Red Flags
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Observer Comments

No obvious signs of instability observed

Weather & Snow Characteristics
Please provide details to help us determine the weather and snowpack during the time this observation took place.
Weather

mostly sunny with calm winds. At 1300 surface temp -7C.

Snow surface

Snow surface consisted on 2cm coarse surface hoar overlying loose snow at lower elevations and in areas. protected by vegetation. underlying Loose snow transtioned to 1F windpacked rounds above treeline. At pit site Boot penetration = 12cm. Above 1900 ft wind affect more prevalent and boot penetration decreases.
The surface hoar on top of the frim rounds layer made for pleasant skiing.

Snowpack

See attached pit profile. Pit done on 25 deg SE facing slope. Surface hoar overlain wind compacted rounds which overlay a 27 cm layer of knife hard M/F crust. Note: Underlying the M/F crust was 23cm 4F of coarse slushy snow. The overlying crust may be providing a possible cap which holds heat in and keeps this lower layer from freezing?? CT25@0cmQ3, ECTX.

Photos & Video
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