Turnagain Pass Avalanche Forecast RSS

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ARCHIVED FORECAST - All forecasts expire after 24 hours from the posting date/time.
Issued
Fri, November 6th, 2015 - 7:00AM
Expires
Sat, November 7th, 2015 - 7:00AM
Forecaster
Wendy Wagner
Avalanche risk The Bottom Line

Avalanche update for Friday Nov 6th:

A quick hitting storm on Thursday, Nov 5th has dropped 12-15″ of new snow above treeline in the Turnagain Pass area; smaller amounts below treeline and at the road. Strong winds  accompanied the new snow, which has likely formed large drifts and wind slabs. This is a classic “rapid loading” event that has increased the avalanche danger and caution is warranted the next couple days.

If you are headed into the backcountry on Friday or over the weekend, keep in mind HUMAN TRIGGERED AVALANCHES ARE POSSIBLE. These are most likely to be stiffer wind slabs 12-18″ thick and in areas that were windloaded during the storm. Things to keep an eye out for:

1)  Recent Avalanches
2)  Collapsing (“whoomphing”)
3)  Shooting cracks from your skis/board
4)  Warming of the snow surface

All of the above indicate an unstable snowpack and the potential for a person to trigger an avalanche.  Don’t be fooled by the thin snow cover as it does not take much snow to cause a dangerous slide. Ways to reduce your risk:

1)  Always be on the lookout for the 4 clues stated above
2)  Quick hand pits are a great way to suss out how the new snow is bonding to the snow beneath it
3)  If you want t
o avoid avalanche danger altogether, stick to slopes below 35 degrees with nothing steeper above you
4)  Expose only one person at a time if choosing to travel in steeper terrain

The new snow is sitting on roughly 6″ of older snow, making the total snowpack depth in the neighborhood of 1-2 feet; depth increasing with elevation. This is just enough snow to hide rocks and other hard objects that could ding your equipment, or your knees.


This is the AKDOT snow stake on Turnagain Pass from Thursday evening (still image of ~6″ accumulation but snowing heavily – and we will take it after last winter…).

Have a safe weekend everyone !!

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Fri, November 6th, 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
Fri, November 6th, 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′)        
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Riding Areas
Updated Fri, January 06th, 2023

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
Johnson Pass
Open
Opened Dec 13th.
Placer River
Closed
Closed Jan 5th due to lack of snow (holiday storms rained away the snow at sea level).
Skookum Drainage
Closed
Closed Jan 5th due to lack of snow (holiday storms rained away the snow at sea level).
Turnagain Pass
Open
Opened Dec 13th.
Twentymile
Closed
Closed Jan 5th due to lack of snow (holiday storms rained away the snow at sea level).
Seward District
Carter Lake
Open
Opened Dec 13th.
Lost Lake Trail
Open
Opened Dec 13th.
Primrose Trail
Open
Opened Dec 13th.
Resurrection Pass Trail
Closed
Closed to motorized use for the 2022/23 winter season per Forest Plan. Open next season.
Snug Harbor
Open
Opened Dec 13th.
South Fork Snow River Corridor
Open
Opened Dec 13th.
Summit Lake
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Opened Dec 13th.

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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.