Area Forecast Discussion
Issued by NWS Salt Lake City, UT

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FXUS65 KSLC 241427

Area Forecast Discussion
National Weather Service Salt Lake City UT
827 AM MDT Thu May 24 2018

.SYNOPSIS...High pressure across the region today will give way to
a southerly flow aloft Friday. The next Pacific storm system will
begin to impact the area Saturday and remain in place through
early next week.


.DISCUSSION...High pressure has moved over the forecast area this
morning in between the low centered over eastern Montana and
another low near 130W. Some high and mid level clouds are moving
over northern Utah, but conditions are benign overall. With the
building ridge, conditions will be more stable than yesterday,
with only a few showers expected over the higher terrain of
northern Utah. Additionally, Utah and southwest Wyoming will see a
warming trend in temperatures, with most locations seeing maxes
around 10F above seasonal normals.

As the Pacific low moves onshore over California tomorrow, the
ridge will shift east, allowing for southerly flow to increase. As
a result, the warming trend will continue tomorrow with some
locations seeing maxes 15F above climo. The storm system is
expected to continue its trek east, reaching western Utah by
Saturday afternoon. This system will slowly make its way across
the forecast area through Tuesday, cooling temperatures back to
near seasonal normals by Sunday and increasing the chance of
showers and thunderstorms, especially over northern Utah.

No updates expected to the forecast this morning.


.AVIATION...The SLC terminal will see VFR conditions throughout
the day with some scattered clouds. Southeast winds are expected
to shift to the northwest between 18Z and 20Z.





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