Avalanche forecast

Ogden

Issued Feb 28, 2025valid to Mar 1, 2025Utah Avalanche Center

Avalanche danger

Alpine
Treeline
Below treeline

Out of date — this forecast expired last year. You’re viewing past conditions, not the current bulletin.

Highlights

The avalanche danger will rise to MODERATE on slopes facing east, south, and west - including low-elevation northerly slopes - where you can expect human-triggered and natural avalanches involving wet snow as the snow surface warms.

Mid and upper-elevation northerly slopes have a LOW danger, but in the southern end of the range, the danger may approach MODERATE where it is possible to trigger an avalanche failing on a buried persistent weak layer 1-3 feet deep.

Avalanche problems

Loose Wet
N
NE
E
SE
S
SW
W
NW
Alpine
Treeline
Below treeline
Likelihood
Possible
Size
2
With strong sunshine and warm temperatures, you will be able to trigger wet snow avalanches on sunny slopes. Natural, wet avalanches are also to be expected. On steep, sustained slopes, debris piles may be several feet deep. Many ridgelines along the Ogden Skyline have huge cornices which will become increasingly sensitive with these warm temperatures and strong sunshine. In Derek DeBruin's photo below, he shows a natural cornice fall along the Ben Lomond headwall which triggered an avalanche below.

Once the snow surface becomes wet and unsupportable, move to shadier aspects or lower-angled terrain.
Persistent Slabs
N
NE
E
SE
S
SW
W
NW
Alpine
Treeline
Below treeline
Likelihood
Unlikely
Size
2
The buried persistent weak layers are largely dormant, but remain a concern in the southern end of the range near the Bountiful Sessions where UAC forecaster Trent Meisenheimer spent a field day on Wednesday, and he describes the complex structure he found.

Special Announcement

We are excited to announce the launch of our new mobile application available on both Android and IOS. Get all the information you need to plan your backcountry adventure and keep the information at the tip of your fingers while you are out. Install the Android version here and the IOS version here.

Join the UAC on Thursday, March 6th at Brewvies in Salt Lake for friends, drinks, prizes, and an action-packed film! Alpine Assassins is a movie about incredible backcountry sledding and adventure. Doors open at 6:30 PM. Get your tickets here.

Recent Activity

Wet, loose avalanches were observed on steep, sunny slopes yesterday. Derek DeBruin was on Cutler Ridge Thursday and provides his usual excellent report.

Catch up on recent observations below.

Observations and Avalanches

Snow and Weather

This Morning: Skies are clear and temperatures are inverted: in the low 20's F at low-elevation trailheads and near 40° F at ridgetops. Winds are from the west and light, less than 10 mph, with gusts around 20 mph at the highest elevations.

Today is the last day of meteorological winter (December 1 - February 28), and it will certainly feel as if spring is close by with sunny skies and temperatures rising well into the 40's F. Winds will be northerly and light, with gusts in the teens at the highest elevations.

Although the current snow surface is a solemn mixture of old wind and sun crusts, there were reports of supportable, quasi-corn on sunny slopes on Thursday. With temperatures around 5 degrees warmer than yesterday, the window for supportable corn will likely be shorter today.

Extended Forecast: Sunny and warm this weekend, with a return to winter by Monday. There is uncertainty in the weather models, but up to a foot of new snow is possible by midweek.

Additional Info

[From Drew's Thursday Forecast]

We are meaning-making machines. Always have been. We try to detect patterns to to reason our way through our next decisions. And it works pretty well when X equals Y but with our current snowpack, X might be Z. Check Trent's snow structure. He found stable snow, but mentions that right around the corner in the higher elevations, there was a very close call with a significant avalanche just a few days ago.

Bottom Line - there is a LOT of spatial variability in the snowpack. It's great to dig a snowpit, but don't make broad generalizations about what you find.

Supplementary Reading on decision making for this nice sunny weekend:

A Failure to Disagree - Daniel Kahneman and Gary Klein .... (on the use of intuition and reason for decision making)

Descartes' Error - Antonio Damasio ...(or anything else by him - on the use of emotion to support decision making)

General Announcements

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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.

Observations and Avalanches

Backcountry Emergency Procedures