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Observation: Turnagain

Location: Turnagain Pass Road Observation

Date:
Observer:
Route & General Observations

Drove through Turnagain Pass to the N. Johnson Pass trail head. Visibility was limited to about 1500′. Could not distinguish new/old avalanche debris in steep channeled terrain along the East facing terrain of Seattle Ridge. There was 12″ of new wet heavy snow in both parking lots (motorized and non-motorized.) After talking with several groups of skiers and snowmachiners, rain/snow line had fluctuated between 1300′-1500′ throughout the afternoon. There were several reports of localized “wumpfing” and a group of snowmachiners in Johnson Pass reported hearing avalanche activity, but stayed away from avalanche terrain.

Along the Seward Hwy and Portage Valley Road – most steep drainages were full of debris, but wasn’t able to distinguish new/old debris from February 21st storm.

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)?Yes
Cracking (Shooting cracks)?No
Observer Comments

-Small wet loose point releases were visible below 1000' where it has been mostly raining.
-Heavy rain and snowfall combined with active wind loading throughout the day.
***Reports of localized 'wumpfing' below treeline and a group heard avalanche activity in the Johnson Pass area.

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

Visibility was obscured
Light-Moderate rain from 12:30pm -2pm along Turnagain Pass. Heavy Rain in Portage Valley
Moderate NE winds
Rain/snow line was around 1500'

Snow surface

12" of wet saturated snow along Turnagain Pass (1000')
8" of very wet saturated snow at Johnson Pass trail head (900')

Snowpack

N/A

Photos & Video
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