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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
Sun, November 20th, 2011 - 7:00AM
Expires
Mon, November 21st, 2011 - 7:00AM
Forecaster
Wendy Wagner
The Bottom Line

Good morning. This is Wendy Wagner with the Chugach National Forest Avalanche Information Center on Sunday, November 20th at 7am. This will serve as 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).

BOTTOM LINE

The avalanche danger is generally LOW with pockets of MODERATE for fresh wind slabs and new snow sluffing. These concerns are most likely on steep slopes above tree line in locations that receive a few inches or more of new snow. Pockets of MODERATE danger also exist for glide avalanches on slopes with recent glide activity.

AVALANCHE DISCUSSION

Today we should see a few inches of new snow in the Girdwood, Turnagain Pass and Summit Lake areas. At the upper elevations, winds are strong enough to form fresh wind pockets and small slabs in any new snow accumulating through the day. Areas most prone to wind slab avalanches will have a hard old layer underneath providing a slick bed surface for these to run on. Additionally, in locations lucky enough to receive several inches of snow, watch for fast running sluffs on slopes with a firm old surface.

The glide avalanche problem remains a wild card. It seems the cycle is beginning to abate but is not finished. Savvy travel in areas with glide activity and yawing glide cracks should continue. These areas are ‘ok’ most of the time, but when they’re not, they’re not. Exposure around and under any suspicious areas should be limited.

MOUNTAIN WEATHER ROUNDUP

A low developing in the western Gulf of Alaska has shifted the flow easterly and warmed temperatures into the double digits overnight at most locations. Winds have been moderate from the east, gusting around 25mph on the Ridgelines. No snow has been reported by 6am but should start to fall later this morning. Accumulations are expected to be minimal, 1-3 inches, though possibly more in favored locations. Temperatures will be in the teens today but again drop to the single digits Monday. Skies will remain cloudy and winds are expected to be around 20-30mph on the ridgelines from the east.

CNFAIC Weather Page and the NWS forecast

ANNOUNCEMENTS

A reminder that all areas for winter snowmachine riding in Chugach National Forest remain closed. Keep checking this website for the latest updates.

We are in the season of Fireside Chats, free avalanche awareness talks from your local avalanche center. Show up on Wednesday nights at 7pm at the Forest Service Ranger Station in Girdwood. More details are on our training and calendar page.

I will issue the next advisory tomorrow morning at 7am. If you get out in the backcountry give us a call at 754-2369 or send us your observations using the button at the top of this page. Thanks and have a great day.

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Sun, November 20th, 2011
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)
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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
Seward District
Carter Lake
Closed
Lost Lake Trail
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Primrose Trail
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Snug Harbor
Closed
South Fork Snow River Corridor
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Closed

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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.