Area Forecast Discussion
Issued by NWS Salt Lake City, UT

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397
FXUS65 KSLC 091707 CCA
AFDSLC

Area Forecast Discussion
National Weather Service Salt Lake City UT
1004 AM MST Sat Dec 9 2017

.SYNOPSIS...Strong high pressure aloft will remain the dominant
weather feature across the western states through the first half
of next week.

&&

.DISCUSSION...The persistent high amplitude ridge still centered
to the west of Utah will slowly expand and shift east this
weekend. This ridge will eventually encompass the entire western
CONUS and maintain dry/stable conditions across Utah well into
next week.

The only notable change will be warming aloft as the ridge expands
east across the region. This warming aloft will further strengthen
valley inversions and produce warmer temps at the higher
elevations. Fog and low clouds so far have been limited to the
Cache and a few of the higher northern valleys. The areal coverage
of these elements could increase a bit heading into early week,
though at this time do not see this becoming widespread across
northern/western Utah.

&&

.AVIATION...The SLC terminal will see VFR conditions and clear skies
throughout the day. Urban haze will continue today, but visibilities
will remain above 6SM through the afternoon. Light southeast winds
are expected to shift to the northwest by 18Z.

&&

.SLC WATCHES/WARNINGS/ADVISORIES...
UT...None.
WY...None.

&&

$$

PUBLIC...CONGER
AVIATION...TRAPHAGAN

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For frequently asked questions about the Area Forecast Discussion
visit...
http://weather.gov/saltlakecity/general/afd_faqs.php



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