Avalanche: Turnagain

Location: Tincan

Date:

March 23, 2017 2:00pm

Observer:

Joe Kurtak

Route & General Observations

Skied standard uptrack on Tincan to 2900ft to ridgetop at head of Hippie Bowl.

Contact, Location & General Observations

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Forecaster Comments

UPDATE: This avalanche was seen on Wednesday, March 22nd by another party. Occurred sometime prior to March 22nd.

Avalanche Details

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Trigger	Skier	Remote Trigger	0
Avalanche Type	Hard Slab	Aspect	West Southwest
Elevation	2600ft	Slope Angle	unknown
Crown Depth	12in	Width	100ft
Vertical Run	150ft

Avalanche Details

Recent avalanche observed on SW-facing slope of Tincan ridge below Hippie Bowl and at upper end of Southside ski run (see attached pic). Appears to have run on convex rollover with locally steeper angle than that for the general slope. Adjacent tracks would indicate that it was remotely triggered by skiers nearby. Did not investigate site, but looks as though storm snow of last weekend slid on old crust? Note arc-shaped fracture in snow surface 100 yds to lookers left of described avalanche. Looks as though snow fractured on similiar aspect and convex slope, but failed to slide. Sympathetically-triggered by the first avalanche?

Red Flags

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Obvious signs of instability

Recent Avalanches?	Yes
Collapsing (Whumphing)?	No
Cracking (Shooting cracks)?	No

Observer Comments

None other than recent avalanche.

Weather & Snow Characteristics

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Weather

Clear skies, calm, no new snow.

Snow surface

Surface hoar underlain by near-surface facets (recrystallized snow)

Snowpack

Loose snow with 40 cm boot penetration. Hand shears in area produced no results.

Photos & Video

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Avalanche on SW-facing slope of Tincan below Hippie Bowl and near top of Southside run.

Location

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