Area Forecast Discussion
Issued by NWS Salt Lake City, UT

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FXUS65 KSLC 200335

Area Forecast Discussion
National Weather Service Salt Lake City UT
935 PM MDT Sat May 19 2018

.SYNOPSIS...A southerly flow will prevail Sunday through
Wednesday across the region, as an upper low stalls across the
Great Basin.


.DISCUSSION...Shortwave ridging across the forecast area this
evening will give way to southerly flow aloft Sunday, as a fairly
weak upper trough slowly deepens across CA. A perturbation lifting
north will enhance the convective coverage a bit across northern
Utah and southwest Wyoming during the day Sunday, however weak
instability and modest shear will limit the potential for
winds/hail with these storms. Will make minor tweaks to the
PoP/Sky/Wind grids based on current trends, otherwise going
forecast looks in good shape.


.AVIATION...West to northwest winds at KSLC are expected to switch
to the south by 04Z, with a 20 percent chance northwest winds
prevail through at least 06Z. VFR conditions will prevail through
the TAF period.





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