Boletín de aludes

Provo

Utah Avalanche Center
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Peligro de aludes

  • Alta montaña
  • Límite del bosque
  • Bajo el límite del bosque
Desactualizado: este boletín caducó 7 years ago. Estás viendo condiciones pasadas, no el boletín vigente.

Lo esencial

The avalanche danger is MODERATE at the upper elevations for triggering a wind slab avalanche that could be 1-2 feet deep and up to 100 feet wide, and in some terrain, it could be wider. Human triggered avalanches are possible. At elevations below, 9,500' the avalanche danger is LOW, and Normal Caution is advised. As the sun warms the sunny aspects today, we could see rollerballs and small wet loose avalanches by late afternoon. If you're on steep sunny slopes and see rollerballs and snow cascading down the mountain, it's time to get out of there. Change your aspect to a colder and shadier slope.

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    2

    All of the recent avalanche activity has been the result of very-low-density snow (weak layer) with denser more cohesive snow above (slab). This weaker snow is now buried 1-2 feet deep and is very easy to find because it sits just above the February 7th crust.

    It seems the new snow has settled and stabilized and is no longer a problem in wind-sheltered terrain. However, in places that were affected by northerly winds, it remains possible to trigger a wind slab avalanche. Continue to look for and avoid Wind Drifted Snow that looks pillowy and textured. This snow will feel upside down and stiff.

    Danger trend: decreasing

Special Announcement

Discounted lift tickets - Thanks to the generous support of our Utah ski resorts and Ski Utah, all proceeds from these ticket sales go towards paying for avalanche forecasting and education! Get your tickets here.

ATTENTION SPLITBOARDERS: Join Black Diamond (BD) along with Cardiff Snowcraft this Friday from 7:00 - 9:00 pm at their BD Trolly Square location for a presentation from BD and Cardiff athlete Bjorn Leines about splitboarding in the Wasatch. Trent Meisenheimer will take a look into avalanche forecasting and how we forecast at the Utah Avalanche Center. The first 40 people end up with a free t-shirt, and they will be giving away a limited edition Black Diamond Goat Carbon splitboard. See you there!

Recent Activity

None. However, in the Wasatch yesterday, there were two reported wind slab avalanches in the backcountry. One was in Cardiff Fork on a north-facing slope at 10,000'. The second one was on Kessler Peak, also at 10,000'. Both of these avalanches failed above the February 7th crust and were 10-12 inches deep and about 30 feet wide.

Photo: Wind slab avalanche triggered with a slope cut by Mark White.

Snow and Weather

It will be another sunny and stunning day to be in the mountains. Mountain temperatures are currently influenced by a strong temperature inversion this morning with Aspen Grove (6,900') reading -2°F and the top of Hidden Peak (11,000') reading 18°F. Winds have an easterly component due to a surface pressure gradient and easterly winds aloft. However, those dreaded east winds are only blowing 5-10 mph along the upper elevation terrain and are not forecasted to increase throughout the day. For today, we can expect plenty of sunshine and light winds with temperatures climbing into the low 30's °F at 9,000'.

As a closed low sits off the coast of California, we will see an increase in temperatures and southerly winds for the next few days. The models are not in total agreement on where this storm ends up. Although, it's looking like a good storm for central and southern Utah with the possibility of a good shot of snow for Provo. Stay tuned

The snow surface remains excellent in terrain that is protected from the wind and sun. On the sunny aspects, you can expect to find a crust and less desirable snow.

General Announcements

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This information does not apply to developed ski areas or highways where avalanche control is normally done. 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.

Observations and Avalanches

Backcountry Emergency Procedures

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