Area Forecast Discussion
Issued by NWS Salt Lake City, UT

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FXUS65 KSLC 181632
AFDSLC

Area Forecast Discussion
National Weather Service Salt Lake City UT
932 AM MST Sat Nov 18 2017

.SYNOPSIS...High pressure will build across the region over the
weekend. A weak weather disturbance will graze northern Utah
Monday night, followed by strong high pressure aloft returning
by midweek.

&&

.DISCUSSION...High pressure is building over the forecast area
this morning behind the storm system that moved through yesterday.
Skies are mostly clear across the area, and the earlier lingering
stratus that impacted parts of northern Utah has mostly eroded. In
the wake of the cold front, temperatures will be on the cool side
with maxes running up to 5F below seasonal normals.

The ridge is expected to be the dominant feature over the region
for much of the upcoming week, allowing for a steady warming trend
in temperatures, though developing valley inversions will limit
warming in those locations somewhat. Still, looking at maxes
10-15F above seasonal normals for most locations by midweek. The
ridge is progged to weaken a bit Sunday night into Monday as a
weak storm system moves over the top of it, grazing northern Utah.
The main impact will be increase cloud cover over northern
portions of the forecast area, but cannot rule out a few showers
over the higher terrain as it passes through. Behind this system,
the ridge is expected to amplify, with the ridge axis just west of
the forecast area.

No updates expected to the forecast this morning.

&&

.AVIATION...Winds at the SLC terminal are expected to switch to
the northwest around 19-21Z, though periods of light and variable
winds are also possible through the day.


&&

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

$$

PUBLIC...Traphagan
AVIATION...Schoening

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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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