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Forecast for the Logan Area Mountains

Toby Weed
Issued by Toby Weed for
Thursday, February 16, 2023
The snow is stable on most slopes in the backcountry, large avalanches are unlikely, and the danger is LOW. Even so, people might trigger small wind slab or loose powder avalanches on slopes steeper than 30°. Loose avalanches entraining damp surface snow are possible in the middle of the day on sunny slopes.
  • Use normal caution.
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Weather and Snow
We've found fine Utah "cold smoke" powder conditions in the backcountry in the past couple days. The snow is generally stable, winds were surprising calm, and we did not see any drifting going on yesterday, even on the summit of St. Charles Peak. Cold air temperatures appear to be keeping the fresh powder nice for now, even in sunny terrain. The best conditions are found in sheltered northerly facing terrain with soft snow underlying the fresh powder.
The Tony Grove Snotel reports 10" of new snow from Tuesday. It's 7° F this morning, and there is 99 inches of total snow, with 131% of normal SWE. The winds at the CSI weather station at 9700' on Logan Peak are from the northwest blowing around 20 mph.
Today: Sunny, with a high near 18. Wind chill values as low as -9. West wind around 8 mph.
Tonight: Mostly clear, with a low around 5. Wind chill values as low as -8. Southwest wind 6 to 9 mph.
Friday: Mostly sunny, with a high near 27. Wind chill values as low as -3. Southwest wind around 10 mph.
Expect sunny and continued cold weather heading into the weekend, with a chance of a bit of snow Saturday night and Sunday morning. A productive storm looks to be developing for President's day and through next week, with significant accumulations possible state and possibly region wide.
Recent Avalanches
We observed a few small natural soft wind slab avalanches in drifted terrain on Tuesday, and observers report triggering a few small loose powder avalanches on very steep slopes yesterday.
Saturday, skiers near Logan Peak in Mill Hollow remotely triggered a 8" deep and 60' wide wind slab avalanche that ran around 500 vrt'. Report is HERE
For a list of avalanches in the Logan Zone go HERE
Find a list of all recent observations & avalanches from across Utah HERE.
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Avalanche Problem #1
Normal Caution
Type
Location
Likelihood
Size
Description
  • Avoid corniced slopes and stiffer drifts on steep slopes near ridges and in and around terrain features like cliff bands, sub-ridges, mid-slope break-overs, and gully walls.
  • As the fresh snow is warmed by the sun it could become moist and prone to sluffing. Loose wet (moist) avalanches are possible in the middle of the day on sunny slopes.
  • Even small avalanches of wind drifted or loose snow can be a problem in steep terrain, especially if you get carried into trees, gullies, benches, or rocks.
  • Continue to practice safe travel protocols. Travel in backcountry terrain with a partner or two, but go one at a time. Check your batteries and assemble your probe and shovel. Practice companion rescue with your backcountry partners, (use our beacon training park at Franklin Basin TH.)
Additional Information
Evidence of drifting was apparent at all elevations in the Central Bear River Range Tuesday, and small avalanches of wind drifted snow remain possible in drifted terrain.
General Announcements
  • Please submit your observations from the backcountry HERE.
  • For a list of avalanche classes from the Utah Avalanche Center go HERE
  • For information on where you can ride your sled or snowbike, check out this map of the winter travel plan for the Logan and Ogden Ranger Districts HERE, and a close up of the Tony Grove and Franklin Basin Areas HERE.
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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