Area Forecast Discussion
Issued by NWS Salt Lake City, UT

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FXUS65 KSLC 171607

Area Forecast Discussion
National Weather Service Salt Lake City UT
1007 AM MDT Wed Jul 17 2019

.SYNOPSIS...Dry and seasonally warm conditions will persist
across the state through the end of the week. High pressure
aloft will strengthen across the region beginning Sunday,
with hot temperatures across Utah early next week.


.DISCUSSION...A dry and stable zonal flow pattern will exist
across much of the western CONUS through the end of the week.
An easterly wave moving across northern Mexico has brought
moisture back into southern Arizona. This moisture should begin to
drift north by tonight, though once the moisture encounters the
westerly over Utah it will stop near the Utah/Arizona border and
then shear east this weekend.

An upper level trough will track east across the northern Rockies
Friday night/Saturday. This trough passage will push another dry
cold front south across northern Utah Friday night. Anticipating
a slight cooling back to normal mid-july temps behind the front,
with continued seasonally hot temps over the south on Saturday.

Building heights will follow as the upper high centered over the
southern Rockies/desert Southwest expands north behind the exiting
northern Rockies trough. A broad upper ridge will encompass the
interior west to begin the new week, with hot temperatures
expected statewide during the first half of the week.


.AVIATION...Operational weather concerns will remain minimal at the
KSLC terminal through the valid TAF period. Light south winds are
expected to become predominantly northwest between 17-18z. VFR
conditions will be maintained under largely clear skies.


UT...Red Flag Warning until 9 PM MDT this evening for UTZ484-489-492-




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