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Turnagain Pass Avalanche Forecast RSS

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ARCHIVED FORECAST - All forecasts expire after 24 hours from the posting date/time.
Issued
Thu, November 12th, 2015 - 7:00AM
Expires
Fri, November 13th, 2015 - 7:00AM
Forecaster
Wendy Wagner
The Bottom Line

Thursday, November 12th UPDATE:

Current Snow and Avalanche Conditions:

Turnagain Pass:   The third snowfall of the season hit Turnagain Pass last night (Wednesday) and added 4-5″ of snow at the mid-elevations. Our snowpack is slowly growing! The new snow was accompanied by strong Easterly ridgetop winds and for folks headed out, watch for areas these winds have blown the new snow into drifts and slabs. With such small snow amounts, any wind slab encountered will likely be relatively shallow (6-12″ thick) and near upper elevation exposed ridgelines.  These should settle out rather quickly, but watching for unstable wind-packed snow on steep slopes should still be on our minds.

Over the past week Turnagain Pass has seen a stable snowpack with no known avalanches. Total snow cover is 1-2+’ and just barely covering rocks and even laying down some alders. The snowpack above treeline is variable in thickness and ‘snow quality’ due to recent winds.

Glide Avalanches: There are a multitude of glide cracks opening up around 1,500′ on Tincan and Eddies. Avoiding time under these is recommended as they are extremely unpredictable, many do not avalanche, but some do and you never know.

Travel note: If you have not been to the Pass yet, it’s possible to  ski/board from the parking lots, can you believe it? A luxury after last year.

*Hatcher Pass:  As is typical in the early season, Hatcher Pass has a deeper snowpack than Turnagain and many folks are heading North to recreate. Keep in mind  dangerous avalanche conditions continue at Hatcher Pass PLEASE see  hatcherpassavalanchecenter.org  for more information.  There have been over 15 human triggered avalanches in the past week – these avalanches are large, breaking near the ground and destructive to a person.

   
Photo: Tincan Glide crack  



Snow cover on Tincan Common Bowl – this is BEFORE the 4-5″ of new snow.  

FUTURE AVALANCHE OUTLOOK:

Weather for today (Thursday) through the weekend is expected to be clear and cold. Single digits cold. Winds will be from the North and are not expected to be strong enough to move the snow around. This could always change however so check the ridgetop weather stations before heading out! Namely Seattle Ridge and Sunburst.

Snow stability is expected to be good at treeline and below treeline. Above treeline, I’d watch for lingering wind slabs, especially in areas with cliffs or ‘high consequence’ terrain below, where even a small wind slab can knock you off your feet and somewhere you don’t want to go (similar to the close call on O’Malley Peak last week).  

Thanks for reading and have a safe weekend!

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Thu, November 12th, 2015
Alpine
Above 2,500'
No Rating (0)
Avalanche risk
Treeline
1,000'-2,500'
No Rating (0)
Avalanche risk
Below Treeline
Below 1,000'
No Rating (0)
Avalanche risk
Alpine
Above 2,500'
Avalanche risk
No Rating (0)
Treeline
1,000'-2,500'
Avalanche risk
No Rating (0)
Below Treeline
Below 1,000'
Avalanche risk
No Rating (0)
Danger Scale:
No Rating (0)
Low (1)
Moderate (2)
Considerable (3)
High (4)
Extreme (5)
Weather
Thu, November 12th, 2015

PRECIPITATION 24-hour data (6am – 6am)

  Temp Avg (F) Snow (in) Water (in) Snow Depth (in)
Center Ridge (1880′)        
Summit Lake (1400′)        
Alyeska Mid (1700′)        

RIDGETOP 24-hour data (6am – 6am)

  Temp Avg (F) Wind Dir Wind Avg (mph) Wind Gust (mph)
Sunburst (3812′)        
Seattle Ridge (2400′)        
Observations
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Riding Areas
Updated Fri, May 01st, 2020

Status of riding areas across the Chugach NF is managed by the Glacier and Seward Ranger Districts, not avalanche center staff. Riding area information is posted as a public service to our users and updated based on snow depth and snow density to prevent resource damage at trailhead locations. Riding area questions contact: mailroom_r10_chugach@fs.fed.us

Area Status Weather & Riding Conditions
Glacier District
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Closed
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Skookum Drainage
Closed
Turnagain Pass
Closed
Closed as of May 1. Thanks for a fun, safe season!
Twentymile
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Seward District
Carter Lake
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Lost Lake Trail
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Snug Harbor
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This is a general backcountry avalanche advisory issued for Turnagain Arm with Turnagain Pass as the core advisory area. This advisory does not apply to highways, railroads or operating ski areas.