Observation: Turnagain

Location: Tincan treeline

Date:

January 22, 2019 3:00pm

Observer:

Eeva Latosuo Professional

Route & General Observations

AAI/AAS Pro 2 short tour in two groups to get acquainted with Turnagain Pass snowpack.

Red Flags

Red flags are simple visual clues that are a sign of potential avalanche danger. Please record any sign of red flags below.

Observer Comments

None observed

Weather & Snow Characteristics

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

Weather

Temps hovering just at freezing.
No precipitation accumulation. Rain line at Eddie's Parking lot on the way in and out.

Snow surface

Very little new snow accumulation.
1000-1500' still knife hard rain crust
1500' up crust changing into more reasonable meltfreeze crust.
Interesting wetted then refrozen surface hoar on the surface.
Ski quality was ok (with our low expectations).

Snowpack

2000' NW & S aspects :HS 150-170cm. Right side up snowpack with the crust/NSF combo funky business at the top 10cm. Found 1225 BSH, but no significant test results x 12 pits (one outlier result)

2200' SE aspect: HS 120-150cm. Found three different persistent weak layers (0112NSF/BSH; 1225BSH; 1123BSH). Tested 1225BSH with PST, with no result).
No results with ski cuts or small test slopes.

Snowpack is unreactive *yawn* in the elevations we toured.

Photos & Video

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General layering of snowpack at Tincan treeline SW 2200'

Location

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