Avalanche: Turnagain

Location: Turnagain- Road Obs

Date:

May 11, 2018 2:30pm

Observer:

Graham Predeger

Route & General Observations

Quick trip thru Turnagain Pass after last nights intense weather yielded some impressive avalanches in some popular ski terrain.

Avalanche Details

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Trigger	Natural	Remote Trigger	0
Avalanche Type	Wet Slab	Aspect	West
Elevation	2000ft	Slope Angle	unknown
Crown Depth	unknown	Width	unknown
Vertical Run	unknown

Avalanche Details

Natural wet slab avalanches on Pete's South, Lipps, Magnum and Tincan. See Trip Kenney's observation for a few more photos of Magnum and Tincan.
All avalanches have in common a westerly aspect and similar elevation (~2,000).

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

Creeks from Girdwood to Portage and thru Turnagain Pass are running high. Rain on snow last night and a draining snowpack is providing for some obvious signs of instability.

Weather & Snow Characteristics

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

Weather

Some impressive water totals from the Thursday night/ Friday morning storm
Girdwood: ~2" H2O
Bear Valley (Portage, near tunnel): ~6.5" H2O
Whittier: ~4" H2O

Photos & Video

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Magnum, West face

Lipps, West face

Pete's South, avalanche wrapped around ridge. West and Northwest aspects.

Location

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