In partnership with: The Friends of the Utah Avalanche Forecast Center, Utah Department of Public Safety Division of Comprehensive Emergency Management, Salt Lake County, and Utah State Parks
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Good morning, this is Ethan
Greene with the
Last night was another cold one, with low temperatures near -10 at 8,000’ and -5 at 10,000’. Along the highest ridges northwest winds continue to blow in the 25 mph range, but lower in the valleys the winds are much lighter. Despite the cold temperatures some southerly aspects have thin crusts on them. There has been a fair amount of wind damage in upper elevation areas, but the snow is still soft on shady slopes.
Cold temperatures are keeping the surface snow soft and loose. As a result many loose snow or sluff avalanches were reported yesterday. These avalanches were occurring on all aspects, but were confined to slopes steeper than about 35 degrees. Also strong winds, especially along the higher ridgelines, have built fresh wind slabs. These wind drifts are generally less than a foot deep, but are sensitive to the weight of a winter traveler. Remember even shallow slabs or loose snow avalanches can be deadly if they push you off of a cliff or into a gully.
In addition to the loose snow activity, there was a pair of slab avalanches reported in upper Mineral Fork yesterday. After performing a slope cut, a skier made several turns before releasing a soft slab avalanche about 1’ deep and 40’ wide. Upon reaching a safe spot he noticed that the first avalanche had sympathetically triggered a second slide about 1’ deep and 100’ wide. These avalanches occurred on a 35 degree, north facing slope. Although these avalanches took out snow from before our last storm, it appears that they did not break into deep faceted layers.
there have been no reports of avalanches breaking into the old faceted snow for
about 5 days, the danger is still present.
The danger of human triggered avalanches is MODERATE on slopes steeper than about 35 degrees. Human triggered avalanches and sluffs within the new snow are possible.
The possibility of triggering a larger and more dangerous avalanche remains.
areas have had a thin snowpack most of the winter, and the sugary weak snow is more
common than in the Cottonwood Canyons.
The danger of human triggered avalanches is more widespread in the
Same as above.
Today temperatures will rise
to near 20 degrees at 8,000’ and into the high single digits at 10,000’. Skies will be mostly sunny and northerly wind
will blow in the 10 to 20 mph range.
Tonight temperatures will drop just below zero at 8,000’ but don’t worry
warmer weather is just around the corner.
By Monday high temperatures will be near 30 degrees at 8,000’ as warm
westerly flow moves over
The Wasatch Powderbird Guides will be flying in the Bountiful Sessions today. For more information call 521-6040 ext. 5280.
Banff Mountain Film Festival will be at the U of U’s Kingsbury Hall on March 12
and 13, at . Tickets
are $6.50. Don’t miss this great benefit
for the Utah
To report backcountry snow and avalanche conditions, especially if you observe or trigger an avalanche, you can leave a message at (801) 524-5304 or 1-800-662-4140. Or you can e-mail an observation to [email protected] .org, or you can fax an observation to 801-524-6301.
For more detailed mountain weather and avalanche information, your can call 801-364-1591, which we’ll try to have updated by around each day.
The information in this advisory is from the U.S. Forest Service, which is solely responsible for its content. This advisory describes general avalanche conditions and local variations always occur.
I will update this advisory by on Monday morning.
Thanks for calling!
For more detailed weather information go to our Mountain Weather Advisory
For an explanation of avalanche danger ratings: