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Forecast for the Logan Area Mountains

Toby Weed
Issued by Toby Weed on
Wednesday morning, March 2, 2022
Unseasonably warm temperatures and strong March sun will cause heightened wet avalanche conditions in sunny terrain. Areas with MODERATE danger will develop in the midday heat, with small natural and human triggered loose wet avalanches possible. Also, people could trigger small slab avalanches failing on a buried persistent weak layer or loose dry avalanches entraining sugary faceted snow in steep shady terrain.
Evaluate snow and terrain carefully. Watch for and avoid 1)-saturated, warmth softened snow on steep sunny slopes, 2)-cornices and previously wind drifted snow on steep upper elevation slopes, especially in and around terrain features like gullies, scoops, sub-ridges, and cliff bands, 3)- loose avalanches or sluffs entraining dry faceted snow or wet surface snow in very steep terrain.
Low
Moderate
Considerable
High
Extreme
Learn how to read the forecast here
Special Announcements
Thanks to the generous support of our local resorts and Ski Utah, discount lift tickets are now available. Support the UAC while you ski at the resorts this season. Tickets are available HERE.
Weather and Snow
Very warm temperatures in the mountains will cause heightened avalanche conditions in the backcountry today. The 8400' Tony Grove Snotel reports 37°F this morning, and there is 62 inches of total snow at the site, with 83% of normal SWE for the date. Winds out of the southwest are blowing about 25 mph at the 9700' CSI Logan Peak weather station. As you might expect after a very dry February, backcountry snow conditions are quite variable.

  • Expect mostly sunny skies and very warm temperatures in the mountains today. 8500' high temperatures will be around 40°F with15 mph southwest winds.
  • It will be mostly cloudy tonight, temperatures will drop to around 28°F, with 11-14 mph-southwest winds.
  • Expect mostly cloudy skies tomorrow, with high temperatures climbing to around 43°F, and 15 mph south-southwest winds.
Finnally it looks like a significant change in the weather pattern. Snow will start to fall in the Logan Zone on Friday, and accumulating snow (with significant accumulations possible) is in store for the weekend and heading into next week. We certainly need snow, but avalanche conditions are likely to become quite dangerous with substancial accumulations.
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A thin pit wall back-lit by the sun. The harder crust layers are darker and the very weak layers of faceted snow allow more light to pass.
Recent Avalanches
People triggered a few small wind slab avalanches on drifted slopes in the Logan Zone last week, even though we only picked up a few inches of new snow.
Last week, a rider was caught and carried a short distance and his sled overturned in this small avalanche of wind drifted snow.
Check out all the recent backcountry observations and avalanche reports from across Utah HERE
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Avalanche Problem #1
Wet Snow
Type
Location
Likelihood
Size
Description
Small natural and triggered loose wet avalanches, entraining warmth softened surface snow, are possible in the midday heat. With even warmer temperatures expected today, and strong late February sun, the surface snow will likely become wet, slushy, and prone to loose avalanching in steep sunny terrain.
  • Roller balls, pinwheels, and natural sluffs of wet surface snow indicate potential for more wet activity.
  • Natural loose wet avalanches could start in rock bands or cliffy areas and fan out, entraining moist surface snow on steep slopes below.
Avalanche Problem #2
Normal Caution
Type
Location
Likelihood
Size
Description
Although unlikely, people might trigger slab avalanches of previously wind drifted snow in steep upper elevation terrain. Last week, shallow drifts formed on slopes plagued by layers of sugary faceted snow. Some old wind slabs may remain unstable for a while because the sugary snow that they formed on is a buried persistent weak layer.
  • Avoid stiff drifted snow on steep slopes at mid and upper elevations on the lee side of ridges and in and around terrain features like sub-ridges, gullies, and cliff bands.
Loose dry avalanches (or sluffs) of recrystallized or faceted snow are possible in sheltered terrain facing the northern half of the compass on very steep slopes.
  • Manage loose avalanches by staying out of constricting terrain, like drainage gullies, and moving out of the fall line so you don't get caught by your own sluff.
  • Avoid being caught and pulled into terrain traps below you like trees, gullies, or benches.
Additional Information
  • Now is a great time to practice your avalanche rescue skills. Thanks to the generous support of Northstar, the Franklin Basin Beacon Training Park is up and running. The park is located directly west of the parking lot and is open for anyone to use. All you need is your beacon and probe. Please do not dig up the transmitters.
  • Always follow safe backcountry travel protocols. Go one person at a time in avalanche terrain, while the rest of your party watches from a safe area. (practice anytime while traveling on or under backcountry slopes steeper than 30°)
  • Check your avalanche rescue equipment, change your batteries, and practice often with your backcountry partners.
    Check slope angles, and to avoid avalanche terrain stay off of and out from under slopes steeper than 30° and adjacent slopes. Video Here
General Announcements
Special thank you to Polaris and Northstar...Video Here
Who's up for some free avalanche training? Get a refresher, become better prepared for an upcoming avalanche class, or just boost your skills. Go to https://learn.kbyg.org/ and scroll down to Step 2 for a series of interactive online avalanche courses produced by the UAC.
  • Check out all the upcoming education classes and clinics HERE.
  • Please submit your observations from the backcountry HERE.
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.
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