Forecast for the Abajos Area Mountains

Eric Trenbeath
Issued by Eric Trenbeath on
Friday morning, December 18, 2020
Isolated, unstable wind drifts exist on mid and upper elevation slopes facing N-E-SE and the avalanche danger is MODERATE in these areas. On N-E aspects the underlying snow has deteriorated into layers of weak, sugary, faceted snow and signs of instability such as collapsing and whumphing are being observed. Suspect slopes that have smooth, rounded deposits of wind drifted snow and pay attention to signs of instability such as cracking and collapsing.
Low snow cover is the biggest hazard out there right now with rocks and logs lurking just below the surface, and even a small avalanche triggered under these conditions can have serious and painful consequences.
Low
Moderate
Considerable
High
Extreme
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Weather and Snow
It looks like the mountains have picked up a couple of inches of snow this morning. Overnight SW winds blew in the 10-15 mph range with gusts in the mid 20's along ridgetops. They shifted to the NW around 5:00 a.m. and abruptly dropped into the single digits. Showers will linger this morning with mostly cloudy, but gradually clearing skies throughout the day. Northerly winds should be light, and high temps will be near 20 degrees at 10,000'. Dry conditions return for the foreseeable future.
Winter finally arrived in the region last weekend, bringing a decent shot of snow to the mountains, and even an inch or two to the valleys. Lower North Creek picked up 6" of new snow and upper elevations received up to 12". Matt Cozart was up on Tuesday and reported pretty uneven snow distribution with areas of deep drifting alongside bare ground. He also reported signs of instability such as whumphing, and cracking in the snow surface. These signs indicate that underlying old, weak snow is collapsing under the weight of recent and wind drifted snow. Read his observation here.
On Wednesday, Chris Benson did a flyover of the range and sent in this observation with pics.
Snow totals at Buckboard Flat (8924')
Snow totals at Camp Jackson (8858')
Additional Information
Information on outdoor recreation - The State of Utah created this webpage with information about recreating on both state and federal public lands during the current health crisis.

New to the backcountry (including riding at closed resorts) - Watch the award-winning, 15 minute Know Before You Go video, or take the 5-part, free online-learning series.
General Announcements
This forecast is from the U.S. Forest Service, which is solely responsible for its content. This forecast describes general avalanche conditions and local variations always occur.