Turnagain Pass Avalanche Forecast
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The avalanche danger remains MODERATE today with human triggered avalanches possible. Pay particular attention to areas at and just above tree line where these wind slabs have gained in mass over the last 24 hours and are sitting on top of a supportable crust. Below tree line the danger is LOW where we have a few inches of moist snow resting on a strong, supportable crust.
Tender wind slabs will once again dominate the discussion today as the primary avalanche concern. Yesterday these wind slabs were shallow and easily triggered on steep convex slopes. With the added wind yesterday and a few more inches of snow overnight we can expect these wind slabs to have gained in depth and mass. The deeper, more dangerous pockets will be found on slopes with a westerly tilt at and above tree line where these slabs are resting on a smooth and supportable crust. At higher elevations where the crust is not present, there is some uncertainty as to how well this most recent snow is bonding. It will be sensible today to pay attention to any red flags including shooting cracks, whumphing or recent avalanches. These are your bulls-eye clues that instability in the snowpack exists.
Shooting crack in shallow wind slab at 2500′. Jan. 30th, 2013. Petes North
This problem has been dormant for some time now. It’s unlikely this most recent storm will provide enough of a punch to wake up this problematic layer. However, it is prudent to continue to be suspect of steep, shallow and rocky terrain above tree line where it is more likely a human could impact this deeper, weak snow.
Forecasted precipitation fell a little flat for us yesterday and last night with the Turnagain pass region only picking up about 1-2 € of new snow. Winds have dropped off substantially overnight as this latest front weakens and moves out of our area.
This last day of January doesn’t look to be like much of a weather producer in our region. Temperatures are expected to be in the low 30’s at 1000′, winds light from the east and less than an inch of new snow in the forecast. Another weak front moves into the gulf tomorrow ushering in a chance for snow/ rain in south central as we head into the weekend.
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Fitz will issue the next advisory tomorrow morning, February 1st.
Date | Region | Location | Observer |
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02/07/23 | Turnagain | Observation: Seattle Ridge | Wagner / Keeler Forecaster |
02/07/23 | Turnagain | Avalanche: Pete’s North | Megan Guinn |
02/05/23 | Turnagain | Observation: Rookie Hill | Tony Naciuk |
01/31/23 | Turnagain | Observation: Johnson Pass area | Megan Guinn / W Wagner Forecaster |
01/29/23 | Turnagain | Observation: Tincan Backdoor | AAS-Level 1 1/27-1/30 |
01/28/23 | Turnagain | Observation: Sunburst | Brooke Edwards |
01/28/23 | Turnagain | Avalanche: Seattle Ridge | W Wagner |
01/28/23 | Turnagain | Observation: Tincan Common | Tony Naciuk |
01/27/23 | Turnagain | Observation: Sunburst | John Sykes |
01/27/23 | Turnagain | Avalanche: Lynx Creek | Megan Guinn / W Wagner |
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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Glacier District |
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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.