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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
Mon, November 9th, 2015 - 7:00AM
Expires
Tue, November 10th, 2015 - 7:00AM
Forecaster
Wendy Wagner
The Bottom Line

Update for Tuesday, November 10th, 2015:

If you are headed North to Hatcher Pass PLEASE see hatcherpassavalanchecenter.org. Hatcher Pass received upwards of 18″ of snow between Sunday night and Monday night. The avalanche danger is high in this region.

*Note: the Independence Mine snotel station was struck by lightning this summer and the data is suspect. The snow stake accessed from the F-CNFAIC Marmot weather station is working well.

Update for Monday, November 9th, 2015:

Our second winter storm for November moved through our region last night, Sunday Nov 8. Snowfall amounts were modest, but it’s snow! Ridgetop winds associated with the storm were strong, in the order of 25-30mph with gusts up to 50mph from the East. Both snowfall and wind have decreased dramatically this morning. Snowfall totals at mid elevations:

Turnagain Pass (2,000′):   5-6″
Girdwood Valley (1,700′):   6-7″
Summit Lake (1,400′):   3-5″
Glen Alps (2,000′):  3-4″
Hatcher Pass (3,400′):   4-5″

A reminder that we will be issuing intermittent updates for another couple weeks. Advisories with danger ratings will begin around Thanksgiving week.

If you are getting out in the mountains things to watch for are:

1)  Recent Avalanches
2)  Collapsing (“whoomphing”)
3)  Shooting cracks from your skis/board (often in areas with stiff wind drifted snow)
4)  Warming of the snow surface (by warm weather or sun)

All of the above indicate an unstable snowpack and the potential for a person to trigger an avalanche. Areas where avalanche potential has increased will be where more than 5-6″ of snow has fallen and/or where the wind has loaded slopes. Also, don’t be fooled by the thin snow cover as it does not take much snow to cause a dangerous slide.

LAST WEEKEND’S snow stability recap below:

Snow stability over the weekend was good at the usual haunts around Turnagain Pass (Tincan, Sunburst, Seattle Ridge). We had no reports of avalanche activity or unstable snow. However, other areas around Southcentral were not so fortunate:

*Two human triggered avalanches occurred OUTSIDE of our forecast zone last weekend:

Anchorage Front Range, Saturday:   Close call with a climber triggered avalanche on O’Malley Peak. This was a small(ish) avalanche with very high consequences as it ran over extremely steep terrain below. Photo of this slide below and see link for the report.

https://www.cnfaic.org/wp-content/uploads/2015/11/IMG_20151107_091720279_HDR-1024x576.jpg

Hatcher Pass, Friday:   Partial burial with a skier triggered slab avalanche on Hatch Peak. See link for a photo and additional Hatcher Pass information.

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Mon, November 9th, 2015
Alpine
Above 2,500'
No Rating (0)
Avalanche risk
Treeline
1,000'-2,500'
No Rating (0)
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Below Treeline
Below 1,000'
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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'
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No Rating (0)
Danger Scale:
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Low (1)
Moderate (2)
Considerable (3)
High (4)
Extreme (5)
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Riding Areas
Updated Mon, October 26th, 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
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Johnson Pass
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Turnagain Pass
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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.