Area Forecast Discussion
Issued by NWS Salt Lake City, UT

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000
FXUS65 KSLC 200241
AFDSLC

Area Forecast Discussion
National Weather Service Salt Lake City UT
841 PM MDT Fri May 19 2017

.SYNOPSIS...High pressure will temporarily build into the area
through Saturday, before a weak trough crosses northern Utah on
Sunday. A ridge will build into the west next week bringing a
warming/drying trend through the middle of the week.

&&

.DISCUSSION...A cool northerly flow is over UT this evening
between a ridge in the ern Pac and the slowly filling cold upper
low moving off into the plains.

Enough low level moisture and instability remained present this
aftn for a few showers over the nwrn and ern CWA. These are
currently dissipating but cloud cover looks to remain fairly
extensive over the east into the night. Clouds across the rest of
the CWA will continue to dissipate as daylight fades.

The main high center stays off the coast in the ern Pac into early
next week. A short wave ridge is centered just upstream over the
PacNW states tonight. Expect mostly sunny skies and warmer temps
over the CWA on Sat as this upstream ridge moves overhead. A weak
short wave trof sharpens up over the nrn Rockies on Sat as well
and this drops across nrn UT on Sun bringing a few showers and
slowing the warming trend.

The main high center shifts slowly inland next week with temps
warming once again across the north.

Updated earlier to adjust sky cover for tonight and to lower pops
across the nw. No additional updates planned.

&&

.AVIATION...Ceilings at KSLC are expected remain above 7,000 feet
AGL through the TAF period. High confidence in winds shifting to
the southeast tonight around 04Z. Winds will then shift back to
the northwest around 18Z tomorrow.

&&

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

$$

Wilensky/Lukinbeal



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