Forecast: Salt Lake Area Mountains - Utah Avalanche Center

Forecast for the Salt Lake Area Mountains

Issued by Trent Meisenheimer on
Saturday morning, March 2, 2024

The avalanche danger is CONSIDERABLE at the mid and upper elevations on slopes with new and recent slabs of wind-drifted snow. Fresh wind drifts may be found on all aspects, including well down into drainage bottoms which are usually wind-protected.

As the storm arrives this afternoon, heavy snowfall and strong winds will likely increase the avalanche danger to HIGH.

Low

Moderate

Considerable

High

Extreme

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Weather and Snow

A large and powerful cold front is ushering in some of the strongest southwest winds we've seen this season. Current wind speeds average 15-30 mph across many upper-elevation ridges. However, three wind sites show anemometers spinning 40-50 mph, gusting to 80 mph at roughly 9,400'. It's windy! Mountain temperatures range from 20-30 °F.

Today the southwest wind will continue to blow at speeds of 30-50 mph, gusting into the 60s, 70s, and 80s across the upper elevations. Snowfall will begin this morning but accumulations will only be a few inches of new snow until the cold front arrives. The frontal passage looks to be later this afternoon, around 2:00 to 4:00 PM. At this time, the winds will peak and veer to the west-northwest, where we will see a burst of snowfall with rates hitting 2-4 inches per hour. Snow will continue overnight and into Sunday. Totals could be 20-30 inches (1.50-2.20" swe) by Monday.

Recent Avalanches

Yesterday, no new avalanche activity was reported. You can find all the observations HERE.

Type

Location

Likelihood

Size

Description

Strong southwest winds have been relentless for the past 24 to 48 hours. These strong winds have and will continue to change the landscape. Some slopes will become scoured, while others will have slabs of wind-drifted snow deposited. These drifts of wind-blown snow could be soft or hard today. I am unsure of how deep or wide they could break.

With such strong winds, you'll want to constantly be on the lookout for wind-drifted snow across all aspects and elevations. This includes mid-slope-break-overs, cross-loaded gullies, drainage bottoms, and any other terrain feature on which the wind has drifted the snow. Wavey, stiff, hollow, sounding snow is likely a wind slab.

Any new snow that falls will quickly be whipped into fresh drifts of wind-blown snow and will likely be sensitive to the weight of a rider.

Type

Location

Likelihood

Size

Description

As the cold front arrives this afternoon (roughly 2:00-4:00 PM), you can expect the avalanche danger to instantly spike because of heavy snowfall and strong winds. Snowfall rates with the frontal passage are forecast to be 2-4 inches per hour. This is a very rapid load to the snowpack.

Dry-loose avalanches and avalanches failing within the new snow will happen almost immediately. I wouldn't be surprised to see the avalanche danger rise to HIGH for a few hours later this afternoon/evening as I suspect we will see a widespread avalanche cycle within the new snow at some point.

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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

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