Bollettino valanghe

Skyline

Utah Avalanche Center
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Pericolo valanghe

  • Alta quota
  • Limite del bosco
  • Sotto il limite del bosco
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Non aggiornato — questo bollettino è scaduto 3 years ago. Stai vedendo condizioni passate, non il bollettino in corso.

In sintesi

The avalanche danger is starting to increase and will continue to do so through the weekend. There is a MODERATE avalanche danger today. Small human triggered avalanches are possible. The most likely places to find trouble are on north through east facing slopes just below ridgelines where the wind has been depositing snow.

Problemi valanghivi

  • Wind Slabs

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Likely
    Dimensione
    2

    Your biggest threat today is triggering a fresh wind slab. Moderate to strong speed wind from the northwest will have drifted the new snow into slabs that will most likely be sensitive today. The most likely places to trigger an avalanche are just below ridges in the mid and upper elevations on north through southeast facing slopes. I'm not anticipating very large avalanches but large enough to cause concern.

  • Persistent Slabs

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Unlikely
    Dimensione
    1

    A secondary concern is all the weak faceted snow that our base is comprised of. This "Persistent Weak Layer" is going to cause problems soon and will become our primary concern. I don't think there is enough new snow nor does the slab have the right structure yet for widespread avalanche danger. However, be aware that the avalanche danger is increasing. Shooting cracks and "whoomping" (collapsing of the snowpack) are sure signs of unstable snow. Hang on, things are probably going to get ugly.

Snow and Weather

Current Conditions: I'm pleased to say that these recent periods of snow have exceded my expectations. We've picked up 3 to 6 inches of new snow. The central Skyline (Horseshoe Mtn-Ephraim Canyon) has done the best which is not uncommon with a northwest flow. Temperatures have been in the teens. The wind has been moderate to strong from the northwest.

Mountain Weather: We should see snowfall today with a few more inches trickling in by Saturday morning. Temperatures will be in the teens and wind will be from the northwest with moderate to strong speeds along the exposed ridges. Another system will move through Sunday bringing a decent shot of snow. Models indicate a string of storms over the next couple of weeks with VERY impressive water amounts. Let's hope this solution holds true.

Additional Info

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This forecast is from the U.S.D.A. Forest Service, which is solely responsible for its content. This forecast describes general avalanche conditions and local variations always occur.

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