Wasatch Cache National Forest
In partnership with: Utah State Parks and Recreation, The Friends of the Utah Avalanche Center, Utah Department of Emergency Services and Homeland Security and Salt Lake County.

 

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Avalanche advisory

Thursday, April 07, 2005
Good morning, this is Evelyn Lees with the Forest Service Utah Avalanche Center with your backcountry avalanche and mountain weather advisory.  Today is Thursday, April 07, 2005, and its 7:30 in the morning.Todayís advisory on our web page contains a user survey.Please take a few minutes to complete it so we can better our forecasts for you.The web site is utahavalanchecenter.com, click on Wasatch Range.

Current Conditions:
Warm conditions continued overnight, with temperatures at the mountain stations ranging from the low 30ís to the low 40ís this morning.The southerly winds are generally blowing in the 15 to 20 mph range, with gusts into the 30ís. The mostly clear skies allowed for a shallow refreeze of the snow surface, but the crusts will rapidly warm today and the snow will be damp, sticky and sloppy.It may be possible to find a few remnants of dry snow on steep, upper elevation, northerly facing slopes.

Avalanche Conditions:
Yesterday, there were a moderate number of wet sluffs and slabs releasing with the heat of the day, with the largest reported off the westerly facing slopes of Timpanogos and Cascade Ridge.Activity continued well into the evening, with at least one slide occurring after 6 pm.A glide avalanche was observed off the rock slabs in Broads Fork, and another small slide ran to the dirt on a lower elevation slope near Maybird gully.With one last hot day in store, prepare for another round of wet slabs and sluffs.Any shallow refreeze of the snow surface will be short lived, with the snow heating up rapidly.Some slides may break into deeper layers, more glide avalanches will be possible today, and cornices could be getting sensitive.The northerly facing slopes may get the most active later this afternoon as the thin, high clouds move in.So finish any backcountry travel early, and if youíre out when the snow becomes wet and sloppy, stay off of and out from under steep slopes of all aspects.

Bottom Line (Salt Lake and Park City, Ogden and Provo mountains):
Most areas have a LOW avalanche danger this morning.The danger will rapidly rise to MODERATE with daytime heating on and below steep slopes of all aspects.In continuous steep terrain, the danger may rise to CONDSIDERABLE.
Danger Scale:
http://www.avalanche.org/~uac/ed-scale.htm

Mountain Weather:
(You can find the afternoon Weather Update here.)
A warm, southwest flow will be over the area today.Temperatures will soar into the 50ís at 8,000í and low 40ís at 10,000í.Winds will be from a southerly direction, with ridgetop averages of 15 to 25 mph this morning, increasing to near 35 mph later today.High thin clouds will move in this afternoon ahead of a cold front that will arrive just after midnight.The rain/snow mix will rapidly change to all snow by Friday morning.Much colder on Friday, with 6 to 12Ē of snow possible.Another shot of snow is expected in the north on Saturday, though the splitting storm is sending its main energy toward southern Utah.

Wasatch Powderbird guides were in Mineral, Cardiff, Days, Grizzly and Scotties Bowl yesterday and today will be in American Fork and White Pine.

UDOT COTTONWOOD CANYONS HOTLINE FOR ROAD CLOSURE AND AVALANCHE CONTROL INFORMATION: 975-4838.

If you are getting out, we appreciate your snowpack and avalanche observations.Please call and leave a message at 524-5304 or 1-800-662-4140, or e-mail us at [email protected].Fax is 524-6301.

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.

Drew Hardesty will update this advisory by 7:30 on Friday morning.

Thanks for calling.