Avalanche: Hatcher Pass

Location: Easter slopes of Upper Willow Creek

Date:

March 25, 2016 12:00pm

Observer:

Jaime Andersen

Route & General Observations

West aspect of Skyscraper into the Upper Willow Creek Drainage.

Avalanche Details

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Trigger	Snowmachiner	Remote Trigger	0
Avalanche Type	Hard Slab	Aspect	West
Elevation	3900ft	Slope Angle	unknown
Crown Depth	24in	Width	150ft
Vertical Run	400ft

Avalanche Details

Snowmachine highmark (decent) trigger on faceted weak layer with crown height varying between 10" and 30". D2 - D2.5. HS-AM-D2-R2-2.5.

Red Flags

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

Obvious signs of instability

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

Observer Comments

Widespread activity following previous storm cycle.

Weather & Snow Characteristics

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

Weather

No new snow, calm, +2C, high overcast.

Snow surface

Non-supportable 5-7cm suncrust.

Snowpack

Sorry for the scant (and late!) info, small iphone and 1 bar of cell coverage!

Photos & Video

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Location

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