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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
Wed, April 2nd, 2014 - 7:00AM
Expires
Thu, April 3rd, 2014 - 7:00AM
Forecaster
John Fitzgerald
The Bottom Line

The avalanche danger is LOW today.   Avalanches are unlikely.   Exceptions to this will be in the form of cornice fall and low volume loose snow avalanches in very steep terrain.

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Wed, April 2nd, 2014
Alpine
Above 2,500'
Low (1)
Avalanche risk
Treeline
1,000'-2,500'
Low (1)
Avalanche risk
Below Treeline
Below 1,000'
Low (1)
Avalanche risk
Alpine
Above 2,500'
Avalanche risk
Low (1)
Treeline
1,000'-2,500'
Avalanche risk
Low (1)
Below Treeline
Below 1,000'
Avalanche risk
Low (1)
Danger Scale:
No Rating (0)
Low (1)
Moderate (2)
Considerable (3)
High (4)
Extreme (5)
Avalanche Problem 1
  • Normal Caution
    Normal Caution
Normal Caution
Normal Caution means triggering an avalanche is unlikely but not impossible.
More info at Avalanche.org

Snow is in a constant state of change.  The rate of change is what matters most when considering avalanche potential.  When snow is forced to change rapidly, it responds by fracturing.  When weak layers have time, in our case over two weeks, to adjust to change (loading), avalanche activity tends to be minimal or non existent.  

The changes that have been occurring and could have an impact on snowmachiners, skiers and snowboarders today are:

Gravity-Cornices
These sometimes giant masses of snow sit precariously above many slopes.  Cornices are slowly bowing to the forces of gravity.  Knowing exactly when they will succumb to these forces and release is difficult to predict.  As such, it is important to avoid being on or under them.  This is important when assessing terrain from the bottom as well as from above.cornice

Faceting-Loose snow avalanches
The surface snow on mainly shaded aspects has been slowly “rotting” away.  This has been gradually improving riding conditions in certain areas.  It is also creating the potential for very low volume sluffing in very steep terrain.  This issue is minor for now.  Remember to be on the lookout for loose snow moving, especially if you are in steep and exposed terrain.  The volume is generally too low to be an issue for snowmachines but could have an effect on skiers and snowboarders.

Both of these issues are relatively straightforward and can be managed by practicing good travel habits.  Expose only one person at a time, use islands of safety when stopping in steep terrain, avoid cornices, and communicate plans within your group effectively.

“Heads Up” conditions in steep terrain
There are plenty of steep slopes with firm surfaces that require a healthy amount of careful and focused travel.  A fall in steep terrain could result in loss of control of a snowmachine or be difficult for skiers or snowboarders to arrest.  Pay attention to the snow surface and learn how to anticipate surface conditions by the look and texture of the snow before you are on it.

Weather
Wed, April 2nd, 2014

Déjà vu, (/ËŒdeɪʒɑː ˈvuː/) from French, literally “already seen”, is the phenomenon of having the strong sensation that an event or experience currently being experienced has been experienced in the past, whether it has actually happened or not.

Yesterday was a carbon copy (more or less) of the previous 15 days.   Clear skies, calm wind, and moderate temperatures prevailed.   Temperatures at the Sunburst station (3,812′) averaged 22 degrees F with East winds averaging 5 mph (max gust of 15 mph).

Today expect the same conditions as yesterday.   Clear skies, calm wind and temps at 1,000′ reaching into the mid to high 30s F.

The stubborn High pressure that has brought us pleasant weather is slowly breaking down.   A series of Lows out over the Aleutians will begin to eat away at the blocking ridge.   Look for clouds to be on the increase and a chance for snow and rain as we head into the weekend.

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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
Johnson Pass
Closed
Placer River
Closed
Skookum Drainage
Closed
Turnagain Pass
Closed
Closed as of May 1. Thanks for a fun, safe season!
Twentymile
Closed
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Carter Lake
Closed
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Closed
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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.