UDOT PLANNED AVALANCHE CLOSURES!!

Forecast for the Uintas Area Mountains

Craig Gordon
Issued by Craig Gordon on
Thursday morning, March 21, 2024
Rather than stomping the accelerator, tap on the brakes slightly if you plan on stepping into steep, technical, make-no-mistake terrain-
While LOW avalanche is found on most slopes throughout the Uinta range, pockets of MODERATE avalanche danger still exist in steep, rocky terrain above treeline. Human triggered avalanches breaking deeper and wider than you might expect are still possible, especially on steep, wind drifted slopes facing the north half of the compass, and particularly in terrain that has avalanched several times this season. Note to self... sounds like terrain characteristics found in our alpine terrain.

Low
Moderate
Considerable
High
Extreme
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Weather and Snow
Nowcast- Clear skies overhead reveal a waxing Worm Moon as well as overnight low temperatures which hover just below freezing, Winds blow 10-20 mph from the west along the the high peaks. Riding and turning conditions are aspect dependent... sunnies offer a legit corn harvest that kicks off around 10:00, and working around the compass towards west facing, should last into early afternoon. On the other side of the compass, you'll find a few swaths of shallow, hot pow on upper elevation shadies.
Forecast- A weak cold front slides through the Uinta zone later today. In the meantime, sunny skies give way to increasing clouds as the day progresses with a few scattered snow showers developing by about dinnertime. High temperatures climb into the 40's and overnight lows dip into the mid 20's
Futurecast- Look for a break in the action Friday, but it'll be warm and windy. A good shot of snow is on tap for late Saturday into Sunday. A strong cold front ushers in unsettled conditions and a northwest flow Saturday afternoon into Saturday evening, delivering a period of heavy snow. A lull is slated for early Sunday, before widespread snow showers redevelop with afternoon heating Sunday afternoon.
Our good friends at Salt Lake's National Weather Service layout a timeline for a weather change in the graphic above.
It's been a minute or two since we've experienced such a robust Uinta corn cycle... spring of 2013-2014 as a matter of fact. But, even more of a rarity is the uniform layer of firnspiegel that coats our mountains with a mirror-like sheen. Also known as glacial fire, firnspeigel is a thin ice crust formed on the snow surface on sunny, cold days. The sun's heat penetrates the surface snow layers and causes melt around the grains beneath the surface, but meltwater at the surface is refrozen forming a thin layer of ice. This requires just the right heat balance. It's not a layer that raises any red flags, rather it's an exotic surface, a blast to ski, and sounds like broken champagne glasses cascading down the slope with each turn. The jury is still out, but I suspect the reflectivity enhances my early spring tan :)
Recent Avalanches
Yesterday, I noticed this piece a corni peeling off a lower elevation ridge, skiddering, gouging, and divoting along the way downslope.
Avy-savvy, snow-pro Trevor Katz, also spotted a natural cornice fall in Upper Chalk Creek which clearly confirms Issac Newtons laws of gravity. Or in the original words of Bobby Fuller and later emphasized by Joe Strummer... I fought the law and the law won :)
A few days old, but honorable mention-worthy none-the-less-
Along the Strawberry Ridge, a snowbiker triggered and was caught in a stout wind drift, breaking 2.5' deep and 300' wide.
Near Currant Creek Peak, Chad spotted a meaty slab avalanche breaking 4' deep and 150' wide, triggered by a sledder riding nearby.

For all Uinta observations and recent avalanche activity click HERE.
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Avalanche Problem #1
Persistent Weak Layer
Type
Location
Likelihood
Size
Description
Where the snowpack is deep it's homogeneous, it's happy in its own skin, and it's generally bomb dot com. But here's the deal... we don't trigger deep, dangerous avalanches from thick portions of snow, rather it's from thin spots, like around bushes or rocks poking out from the snow, or barely hidden under the snow surface and we can't 'em. In either case, with miles and miles of solid snow and predictable avy conditions, you'd have to get very unlucky to trigger a slide that breaks to old, weak layers of snow now buried deep in the snowpack. The usual suspects come to mind... steep, rocky slopes in the wind zone is the kind of terrain we wanna steer clear of.
Additional Information
The Uinta weather station network was upgraded this summer and all that real-time info is found HERE. Simply click on "western Uinta" tab and then "weather stations" tab.

We are always looking for snow and avalanche observations or just general riding conditions. So... if you see something, say something. You can reach me directly at [email protected] or 801-231-2170.
Also, if you're looking for more avy education opportunities for yourself, your crew, or your club please don't hesitate to reach out to me and we'll find a presentation, class, or clinic for ya!
General Announcements

Issued 0330 on Thursday, March 21st this forecast will be updated by 0700 Friday, March 22nd, 2024.
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.