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Forecast for the Moab Area Mountains

Eric Trenbeath
Issued by Eric Trenbeath on
Saturday morning, March 11, 2017

The avalanche danger is generally LOW and mostly stable snow conditions exist. But low danger doesn't mean no danger and we still have a few things to consider.

With daytime heating, the potential exists for loose, wet avalanches on steep, sun exposed slopes. If you feel the snow getting wet and sloppy, or if you notice signs of instability such as roller balls or pinwheels, get off of, and out from under steep slopes.

it may still be possible to trigger an isolated wind slab, or persistent slab avalanche in areas of more extreme, upper elevation, northerly facing terrain. Carefully evaluate individual slopes for smooth hard slabs, with weak, underlying snow if you venture into this type of terrain.

Low
Moderate
Considerable
High
Extreme
Learn how to read the forecast here
Special Announcements

Banff Mountain Film Festival World Tour Returns to Moab, March 13, 14. Featuring the year’s best films on mountain sport, culture and adventure, this will be the 14th season the festival has come to Moab. Proceeds support the Utah Avalanche Center - Moab and Second Chance Wildlife Rehabilitation. For more info and to purchase tickets, go here.

Weather and Snow

A weak disturbance to the north has spread a few residual clouds over our area this morning. We've had a pretty good re-freeze above 10,000' and temperatures are in the high 20's, but it's a warm 36 degrees at the Geyser Pass Trailhead. NW winds are in the 20 mph range along ridge tops. Snow conditions are a mixed bag though the dedicated enthusiast can still find something to get excited about. Corn-like snow can be found on SE-W aspects - work the sun for best results and finish up before the snow becomes wet an sloppy - while northerly aspects offer a variety of conditions from wind affected to soft, settled powder.

Wind, temperature and humidity on Pre Laurel Peak. (11,700')

Storm totals and temperature in Gold Basin. (10,000')

Snow totals, temperature and snow/water equivalent at the Geyser Pass Trailhead. (9600')

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Decent turning conditons can still be found amongst the wind affected snow in the high country.

Ad
Avalanche Problem #1
Wet Snow
Type
Location
Likelihood
Size
Description

With soaring temperatures today, the danger for loose wet slide activity will increase on sun exposed slopes. Look for signs of instability such as roller balls or pinwheels, and of course, natural, loose wet slide activity. Stay off of and out from under steep, sun exposed slopes if any of these signs are present, or if the snow is wet and sloppy over your boot tops.

Avalanche Problem #2
Normal Caution
Type
Location
Likelihood
Size
Description

In our travels through the high country on Thursday, Manti-Skyline forecaster Brett Kobernik and I found generally stable snow conditons. As always however, low danger doens't mean no danger and here are a few things to consider when traveling in avalanche terrain.

Wind Slab: Extreme, upper elevation, wind exposed terrain still harbors the occasional wind slab. If you push into this type of terrain, carefully evaluate wind rolls, and hard, hollow feeling slabs.

Persistent Slab: In general, snowpits and stabilty tests have shown a stabilization of the early February, faceted weak layer. We did however, run across an area of very weak snow on a NE aspect around 11,500'. The slope was a repeat running slide path in an alpine bowl, and it appeared to be the exception rather than the rule. But if you find yourself contemplating a steep line on a northerly facing aspect, probe around with your pole for underlying weak facets. If you find them, and there is a slab on top, reconsider your slope selection.

Weak, faceted snow still exists in isolated areas. Close up photo by Brett Kobernik.

Additional Information

A few clouds will move through the area this morning as a shortwave trough passes by to the north. Today we'll see mostly sunny skies, light NW winds, and high temperatures in the mid 40's at 10,000'. A second shortwave will move through to the north early Sunday morning followed by high pressure for the up coming week.


General Announcements


Road Conditions: The road to Geyser Pass Trailhead was plowed on Tuesday. Warm temperatures have melted off the packed snow surface down to the dirt, and it will become increasingly muddy throughout the day.

Grooming: Trails have not been groomed.

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The information in this advisory is from the US Forest Service which is solely responsible for its content. This advisory describes general avalanche conditions and local variations always occur.