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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 24th, 2011 - 7:00AM
Expires
Fri, November 25th, 2011 - 7:00AM
Forecaster
Wendy Wagner
The Bottom Line

Good morning and Happy Thanksgiving. This is Wendy Wagner with the Chugach National Forest Avalanche Information Center on Thursday, November 24th 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).

ANNOUNCEMENTS

Turnagain Pass will be closed today to winter motorized use but will open tomorrow, Friday, from Ingram Creek to Bertha Campground. Johnson Pass, Placer and 20 mile will remain closed due to lack of adequate snow coverage. Overall depth at Turnagain is adequate yet marginal, riders should be aware of exposed natural hazards consistent with early season riding.

BOTTOM LINE

Pockets of MODERATE danger exist on upper elevation steep wind deposited slopes for triggering a fresh wind slab from expected moderate winds today. Also, there are pockets of MODERATE danger in this same terrain for triggering a lingering wind slab formed in the past two days. CNFAIC Staffwise, there is a generally LOW avalanche danger away from steep upper elevation extreme terrain. In addition, glide avalanches remain a concern; steer clear of yawning glide cracks.

AVALANCHE DISCUSSION

The new snow that fell on Tuesday has stuck in place fairly well and has seen minimal wind damage. With today’s expected easterly winds gusting into the 20’s, accompanied with the chance for a few more inches, enough snow and wind are available to form shallow soft wind slabs and pockets. Encountering fresh wind deposited snow will likely be sensitive and crack out from your feet. These are most likely to be found and triggered in exposed extreme terrain.

The glide avalanche problem continues to deserve mention. Limit your time under, or next to, yawning glide cracks and old glide avalanches. This may mean adjusting your route slightly or where you decide to have your Thanksgiving snack.

As always, including generally low danger days, remember to keep good travel practices in mind. This includes, one person on a slope at a time, watch your partner and be careful not to ski/ride above CNFAIC Staffs. Also, it just takes a second to do a beacon check with your partners as you head out from the parking lot.

MOUNTAIN WEATHER

Under mostly cloudy skies this morning, there is a slight inversion as temperatures below 2000′ are around 5F and those around 3500′ are around 10F. Winds have been light from the east, gusting only around 10mph overnight. Today, the low pressure in the gulf continues to spill moisture our way. Intermittent snow showers could add up to an inch or three throughout the day. Skies look to be mostly cloudy and temperatures climb into the mid-teens at most locations. Winds are expected to be moderate, gusting to 20-25mph, on the ridgelines.

CNFAIC Weather Page and the NWS forecast

Kevin will issue the next advisory tomorrow, November 25th, at 7am. If you get out in the backcountry we want to know what you are seeing. Please send us your observations using the button at the top of this page or give us a call at 754-236. Thanks and have a great day.

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Thu, November 24th, 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
Closed
Primrose Trail
Closed
Resurrection Pass Trail
Closed
Snug Harbor
Closed
South Fork Snow River Corridor
Closed
Summit Lake
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.