Sunday, February 26, 2023

Unsettled

I've never liked to used the adjective unsettled to describe the weather.  It always seems like a bit of a cop out.  But for the next few days, it might be the best option.  

The large-scale pattern features the passage of three upper-level troughs across the western US over the next 4-5 days.  The first passes to our south today and is the remnant of the beast that has brought cold and snow to California the past couple of days.  

The second isn't as deep, but brings with it a strong cold front that moves across Utah late Monday.  

The third, evident just upstream of the northwest coast of the US in the plots above, is forecast to move across Utah late Thursday.


Active would be another adjective that one could use to describe this storm period!

The GFS-derived Little Cottonwood forecast shows what I'll simply call "periods of snow" from today through Tuesday Night with another pulse coming in Thursday night.


The net total water equivalent for the period is just over 2 inches of water equivalent and 30 inches of snow for Alta-Collins.

The downscaled SREF only goes through 0000 UTC 2 March (5 PM MST Wednesday), but most members are putting out over 2 inches of water and 35 inches of snow.  


Bottom line is that this looks like another active week that will add to the snowpack and keep the ski conditions "fresh".  The pattern is also a cold one, which will help preserve the powder and will give periods of snow to the valley as well.  

2 comments:

  1. 8 to 12 ins of snow 0.75 " SWE and that's in the Ogden Valley. Double to treble this on tops.

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