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Forecast for the Salt Lake Area Mountains

Mark Staples
Issued by Mark Staples on
Thursday morning, March 5, 2020
The avalanche danger is LOW at all elevations and aspects and conditions are generally safe.
As the day warms up and the snow becomes wet on East, South and then West aspects, loose wet avalanches will become possible but should be predictable.
On north facing slopes with dry snow, you may find a few shallow, soft slabs of wind drifted snow that could produce a small avalanche.
Although most avalanche activity today should be small, be especially watchful in terrain that can amplify the consequences of a small avalanche.
Low
Moderate
Considerable
High
Extreme
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Special Announcements
TONIGHT at 7 p.m. UAC forecaster Trent Meisenheimer and retired Director Bruce Tremper will discuss the science of avalanches at the Black Diamond Retail Store (2092 E 3900 S, SLC). DETAILS


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Weather and Snow
This morning temperatures are in the mid 20s F at most elevations and generally about 5 degrees warmer than yesterday morning. Winds increased a bit yesterday afternoon but this morning are blowing 5-10 mph from the west. At 11,000 feet winds are only averaging 18 mph and gusting to 25 mph.
Today, will have sunny skies and light winds. Temperatures should be a few degrees warmer than yesterday and reach the low to mid 40s F at 8000 feet. With calmer winds than yesterday, it should feel warmer.
The snow has gotten wet on most slopes except due north facing ones where some dry powder still exists. Below freezing temperatures and clear skies overnight allowed the snowpack to get a solid refreeze. The snow on many north faces has weakened (aka faceted) some as well as gotten some surface hoar growth, which means it can feel like the snow has "dried out". Nikki was in Mill D North yesterday in Big Cottonwood Canyon and wrote a good summary of snow conditions.
Recent Avalanches
Yesterday ski guides and UDOT forecasters reported some loose wet snow avalanches that were mostly small and predictable.
On Tuesday, there was one wind slab triggered in Upper Bells Canyon that was 50' feet wide and 18" inches deep on an SW facing slope at 10,800' in elevation. Nobody caught. The observation can be found HERE.
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Avalanche Problem #1
Normal Caution
Type
Location
Likelihood
Size
Description
Avalanche conditions are generally safe but there are a few things to look for.
Wet snow - As the day heats up and the snow gets wet, you should be able to trigger small loose wet avalanches. These usually start at your feet and fan out below you. HOWEVER, watch out for these slides happening naturally especially if you are in a gully or any confined terrain where a small one could pile up deeply.
Wind drifted snow - Increased winds from the west yesterday may have transported some dry snow across north facing slopes and created small soft slabs. These will mostly be a problem in extreme terrain where the consequences of a small avalanche are severe. An example is being swept off a cliff or into other deadly terrain.
General Announcements
This information does not apply to developed ski areas or highways where avalanche control is normally done. 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.