Wasatch Cache National Forest

In partnership with: The Friends of the Utah Avalanche Center, Utah Department of Public Safety Division of Comprehensive Emergency Management, Salt Lake County, and Utah State Parks: http://www.avalanche.org/~uac/

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Avalanche advisory

SUNDAY, January 11, 2004†† 7:30 am


Good morning, this is Drew Hardesty with the Forest Service Utah Avalanche Center with your backcountry avalanche and mountain weather advisory.Today is Sunday, January 11, and itís 7:30 a.m.


For photos of avalanches and avalanche phenomenon, click HERE.

Photos sent in by observers throughout the season click HERE.

For a list of backcountry avalanche activity, click HERE.


Current Conditions:

Inversion temperatures are near freezing at 10,000í and in the teens at 7 and 8000í.Winds have been light and westerly.Snow surface conditions run the gamut from wind board and suncrust to soft settled powder and surface hoar in the more sheltered areas.


Avalanche Conditions:

It was quiet in the backcountry yesterday with no new avalanches reported.The windslabs from mid-week have settled out and stability is generally very good.My concerns for today will be with increasing wet activity on the steep sun-exposed slopes.With daytime heating, cornices may be more sensitive as well.


Also of interest are the glide avalanches from the past couple of days in Broadís Fork, running probably on Thursday.Glide avalanches typically occur as the entire snowpack glides downhill, pulling away from itself and opening what looks like crevasses, moats, or cracks.They most commonly occur in places where the snowpack is sitting on either a smooth grassy slope or smooth rocky slabs and then lubricated from below by meltwater.Sometimes, these glide cracks catastrophically release, resulting in a large climax avalanche.Places like Broadís Fork and Stairs Gulch are notorious for these and itís not uncommon to see large natural glide avalanches in these drainages during a thaw.


Bottom Line for the Wasatch Range, including the Salt Lake, Park City, PROVO, and Ogden MOUNTAINS:

There is a generally LOW danger.The danger of wet activity will rise to MODERATE over the course of the day.


Uinta Mountains:For Uinta specific information, click on Western Uintas on the advisory page or phone 1-800-648-7433.


Mountain Weather:

High pressure is in control of our weather, with near to above freezing temperatures to continue into Monday.Today, there will be mostly sunny skies with some high, thin clouds drifting by.Highs will be in the low 40ís at 8,000í and the mid 30ís at 10,000í.The winds will remain from the southwest, in the 5-15 mph range.Tonight, light southwest winds, with 10,000í lows once again near freezing.A weak system will approach the area Tuesday, cooling temperatures slightly and producing only clouds.


For specific digital forecasts for selected mountain areas from the National Weather Service, click the links below or choose your own specific location at the National Weather Service Digital Forecast Page.


3-Day Table

3-Day Graph

7-Day Table

Ogden Mountains

Ogden Mountains

Ogden Mountains

SLC Mountains

SLC Mountains

SLC Mountains

Provo Mountains

Provo Mountains

Provo Mountains



General Information:

The Wasatch Powderbird Guides flew in Silver, Dayís, Cardiff, Mineral, and White Pine yesterday.Today they will be in American Fork.


If you are getting into the backcountry, please give us a call and let us know what youíre seeing, especially if you trigger an avalanche.You can leave a message at 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.


The Friends of the Utah Avalanche Center is offering another 3-day avalanche workshop over Presidentí Day weekend, February 14-16.Information and sign-up sheets are available at the Black Diamond store (2092 E. 3900 S.; 278-0233).


Avalanche Awareness Week is January 18-24th and there are a number of events and presentations.For complete details, visit:www.backcountryawareness.com


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 Monday morning.

Thanks for calling.