Utah Daily Snow

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By Evan Thayer, Forecaster Posted 1 year ago March 27, 2023

Snowbasin Goes Non Compos Mentis

Summary

A wave of snow passed through the Wasatch last night and this morning. It combined with lake enhancement to bring absurd totals to Snowbasin with good snow elsewhere. Snow tapers off today (Monday). A break Tuesday with winds picking up late. Next storm arrives Wednesday, lasting through Friday.

Short Term Forecast

Snowbasin went bonkers over the past 24 hours! Let's start with yesterday morning when an intense band of snow brought 11" in only a few hours to the mountain... That led to one of the best powder days of the season and I was already planning on talking about how great yesterday was at Snowbasin. It also set the record for most snow in a season at Snowbasin. 

Then... if that weren't enough, last night was off the charts insane as the next wave of energy combined with lake enhancement to absolutely crush Snowbasin with TWENTY-TWO inches of snow overnight and THIRTY-THREE inches of snow in 24 hours. WHAT!?!  Just watch this past 24 hours and notice how they clear the snowstake yesterday afternoon:

It's still snowing a bit up there by the way... 

At other areas, the totals were good. Generally 3-8" reported elsewhere in the Wasatch over the past 24 hours. Powder Mountain will also be excellent today: 

It continues to snow at Alta with 7" overnight:

Snow showers will continue this morning but should taper off and we could get some sun later today. Get to the powder early because the sun this time of year has a very rapid, caustic effect on the snow. 

Tuesday is a break day with mostly clear conditions but winds will be picking up and could get gusty, especially late in the day. 

The next storm moves in on Wednesday with snow developing in the high elevations by the afternoon. This storm is similar to the warmer, atmospheric river-type storms we saw a couple of weeks ago. Lots of moisture moving in out of the southwest as the low spins off the California coast before ejecting inland. This will keep showers going Wednesday PM through Friday for a long-duration event. It will start warm with 700mb temps as high as -4C, then cool off by Thursday with snow levels dropping from 7000ft down to 5000 feet or so later in the storm. 

WPC shows decent totals midday Wednesday through midday Friday:

In general, liquid amounts should be 0.75-1.5" in the mountains of Utah. If we assume 10:1 ratios in the high elevations on average, then 8-15" is certainly likely. We could see pockets of higher liquid and better ratios, so amounts of 15-25" could be possible if everything comes together. We'll continue to fine-tune as we get closer. The point is... another good storm is likely this week.  

Extended Forecast

The hits just keep coming. We could have a break for the first half of the upcoming weekend, but it could get active again as early as Sunday. Both the GFS and Euro have a storm arriving late weekend or early next week. This storm looks like it could be fairly cool with good moisture -- so there's good potential at this point. Another storm beyond that is possible, although some ensembles take it farther west, missing us a bit. You can see that the ensemble mean continues to climb for the next 10 days:

This is only going to add to an already record-breaking snowpack. If you're wondering when is this going to end, well I don't know. But, there are some indications that we may see high pressure develop around April 10th. The EPS ensembles have been consistent with this idea for a few runs:

While the skier and forecaster in me wants it to snow until the end of time and shatter records further -- I do concede for hydrological reasons that it's probably best for us to see some warmer temps and begin the melt off so we can do it more gradually. 

(In 1983, we had a record snowpack as late as May 21. Then we saw temps of 90F in SLC and all the snow started melting at once. Unlikely to happen again this year, but you never know.)

Evan | OpenSnow

About Our Forecaster

Evan Thayer

Forecaster

To Evan, 'The Greatest Snow on Earth' is more than just a motto - it’s a way of life. In 2010, he started Wasatch Snow Forecast as a way to share the best powder days with his fellow snow-lovers. Evan brings the same quality forecasts and weather discussions to OpenSnow and hopes you enjoy skiing/riding Utah as much as he does.

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