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
Monday, March 31, 2003
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Good Morning.† This is Ethan Greene with the
Under clear skies
temperatures dipped to about 30 degrees at both eight and ten thousand feet.† In the
The snow surface is frozen in most areas this morning.† You can still find some soft settled and recycled powder on northerly aspects in mid and upper elevation areas.† Otherwise expect a mix of supportable and breakable sun and wind layers depending your aspect and elevation.
The March sun zapped the snow surface yesterday at most elevations.† There were lots of reports of roller balls and wet surface snow, but I only heard about a few avalanches.† All of these avalanches occurred on steep sun exposed slopes and only involved the surface snow.† Today I expect to see similar conditions.† We are starting out a little warmer this morning, but I expect some high clouds to build during the day.
As youíre moving through the backcountry today pay attention to your aspect and elevation.† Look for signs of increasing wet slide activity such as roller balls and point release avalanches starting near rocks or on steep sun exposed slopes.† If you see any of these signs or if youíre sinking into the snow more than about 8 inches itís time to get off of and out from under steep sun exposed slopes.
We are in the middle of a decent warm up and rapid warming events can cause our buried weak layer to become more sensitive.† It has been over a week since we have seen any deep slab avalanches in the backcountry, but there remains an isolated chance of triggering a slide that will break down into the deeper layers.
Bottom Line (SLC,
This morning, the avalanche danger is generally LOW.† With daytime heating, the danger of wet sluffs and wet slabs will rise to MODERATE and may rise to CONSIDERABLE on and below steep sun exposed slopes.† There remains an isolated chance of triggering an avalanche that breaks into deep, old snow layers on steep slopes above about 9,500í, and this danger may also increase with warming.
The ridge of high pressure,
currently over the
To report backcountry snow and avalanche conditions, especially if you observe or trigger an avalanche, please leave a message on our answer machine at (801) 524-5304 or 1-800-662-4140, or email to [email protected] or fax to 801-524-6301.† 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.
Bruce Tremper will update this advisory by on Tuesday morning.
Thanks for calling!
For an explanation of avalanche danger ratings: