Turnagain Pass Avalanche Forecast
Overall generally stable avalanche conditions exist in the advisory area but with the widespread glide cracks in popular recreation terrain in the Treeline (1000′-2500′) elevation band and continued reports of large naturally occurring cornice falls in the Alpine, the hazard remains at MODERATE. In addition, lingering pockets of wind slab and loose snow avalanches may be triggered in steep terrain. Practice safe travel techniques and take inventory of surface conditions as a storm approaches for the weekend. Watch for changing conditions if snow and winds pick up earlier than forecasted.
*Shallow snowpack zones: South of Turnagain Pass and the Summit Lake area have old weak layers in the snowpack where triggering a much larger avalanche is possible. This is something to keep in mind if you are headed to these zones. Click HERE for a recent photo of large Natural avalanche between Lynx Creek and Silvertip Creek.
Saturday, February 20th Hatcher Pass Avalanche Center is having their annual fundraiser at the Government Peak Chalet near Hatcher Pass. This event will feature a slide show by local climber and ski mountaineer, Kirsten Kremer, a Silent Auction, Live Music and FUN! Click HERE for more info.
There has been no reports of human triggered avalanches since Monday. Overall temperatures have cooled throughout the week and winds were light yesterday. Observers have reported good stability and slope testers have been in steep terrain without incident. However, there have been a few large naturally cornice triggered avalanches in steep Alpine terrain. Avoid traveling on or underneath cornices. They may break much farther back than expected and could trigger a large avalanche on the slope below. Falling on to a slope with a refrigerator to school bus sized piece of snow would be bad news. There have been significant cornice cracks observed along ridgelines. You do not want to end up on the wrong side or take a dip into one of the wide ones on your snowmachine or skis.
In addition, watch for any lingering wind slabs on leeward slopes and loose snow sluffing. Both of these could be quite hazardous in steep, high consequence terrain.
As always practice safe travel techniques: ride slopes one at a time, park and regroup in safe areas, have escape routes planned and watch your partners.
Cornice crack on Magnum ridge. Photo: Amanda Goss
Glide cracks continue to appear, grow and release throughout the Treeline (1000′-2500′) elevation band. They are on all aspects and are still totally unpredictable. The best way to minimize the risk is to avoid travel underneath. There was a new crack observed on Lipps yesterday in skiable terrain.
Glide crack in Main Bowl (1st Bowl). February 9th.
The same glide crack on February 18th.
Yesterday was partly cloudy with light winds and temps in the mid 20Fs to low 30Fs.
Today will partly to mostly cloudy with a slight chance of snow showers during the day. Temperatures will be in the mid 20Fs to mid 30Fs and winds will be Easterly 5-15 mph. Clouds will increase overnight and with 1-4″ of snow possible as the first front affects the area.
Tomorrow snow showers and winds will increase as the next storm really moves into the region. The National Weather Service is decribing this as a robust front. Stay tuned for more details as the jury is still out on the timing, temperatures and the form of precipitation it will bring.
|Temp Avg (F)||Snow (in)||Water (in)||Snow Depth (in)|
|Center Ridge (1880′)||22||0||0||101|
|Summit Lake (1400′)||20||0||0||30|
|Alyeska Mid (1700′)||24||0||0||85|
|Temp Avg (F)||Wind Dir||Wind Avg (mph)||Wind Gust (mph)|
|Seattle Ridge (2400′)||23||n/a||n/a||n/a|
|05/22/23||Turnagain||Avalanche: Tincan||Nick D'Alessio|
|05/12/23||Turnagain||Avalanche: Tincan, Sunburst, Magnum, Cornbiscuit||Heather Thamm|
|05/07/23||Turnagain||Observation: Tincan – Bear Tracks||CNFAIC Staff|
|05/05/23||Turnagain||Observation: Seattle Ridge||AS/ WW Forecaster|
|05/02/23||Turnagain||Observation: Cornbiscuit||Schauer/ Sturgess Forecaster|
|05/02/23||Turnagain||Observation: Seward Hwy Turnagain Pass||Joel Curtis|
|04/30/23||Turnagain||Observation: Magnum||Ayla, Kit Crosby, Barton|
|04/29/23||Turnagain||Observation: Tincan||John Sykes|
|04/28/23||Turnagain||Avalanche: Taylor Pass/Pastoral||Schauer/ Creighton Forecaster|
|04/28/23||Turnagain||Avalanche: Tincan||Andy Moderow|
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: firstname.lastname@example.org
|Area||Status||Weather & Riding Conditions|
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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.