Forecast for the Ogden Area Mountains

Drew Hardesty
Issued by Drew Hardesty on
Saturday morning, December 11, 2021
The avalanche danger is MODERATE on all steep northwest to east facing slopes above about 8000'. Human triggered avalanches are possible in steep terran and it may be possible to trigger avalanches from a distance.
Low
Moderate
Considerable
High
Extreme
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Special Announcements
This week is the third annual Avalanche Awareness Week in Utah. A lot is going on with over 20 different events around the state. You can find all the events HERE.
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Weather and Snow
Skies are partly cloudy in the wake of the storm. Mountain temps finally feel like winter and are in the single digits and low teens. Westerly winds are light to moderate except along the highest elevations where they're blowing 25mph with gusts to 30.
This was a much needed storm. We picked up another trace to two inches, pushing storm totals to 12-16".
Snow depths are now 1-3' up high and riding conditions are vastly improved.

The Outlook -
For today, we'll see increasing high clouds with light to moderate southwest winds. Temperatures will rise to the low 20s F by the afternoon.
As this storm fades from memory, our attention turns to the next storm churning in the Pacific. We'll see warming temperatures and increasing southwest winds Sunday and Monday ahead of what looks to be a decent snowfall event Tuesday/Wednesday. Southwest winds ahead of the storm are forecast to average 50-60mph.
Recent Avalanches
We did not hear of any avalanches in the Ogden backcountry yesterday, but avalanche conditions were dangerous in the Salt Lake area mountains yesterday with many human triggered avalanches 1-2' deep and hundreds of feet wide.
Be sure to regularly check the observations page for field observations as well as avalanche activity.
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Avalanche Problem #1
Wind Drifted Snow
Type
Location
Likelihood
Size
Description
We are primarily concerned with the recent wind drifted snow sitting on top of old pre-existing snow from October. This is primarily found on northwest to easterly facing aspects at, conservatively, 8000' and above. Cracking and collapsing will give some indication of instability, but it's worth stopping to conduct some snow tests to look for a weak interface at this layering. For now, I would avoid being on or beneath steep northwest to east facing terrain at these higher elevations.
Additional Information
Danger Trend: I expect increasing avalanche danger and a fresh batch of wind slabs from the stronger southwest winds tomorrow through Tuesday.
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.