Area Forecast Discussion
Issued by NWS Salt Lake City, UT

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000
FXUS65 KSLC 052230
AFDSLC

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
330 PM MST FRI FEB 5 2016

.SYNOPSIS...A WEAK WEATHER DISTURBANCE OVER NORTHERN UTAH WILL
EXIT THE REGION THIS MORNING. HIGH PRESSURE WILL BUILD INTO THE
AREA THIS WEEKEND AND REMAIN IN PLACE THROUGH EARLY NEXT WEEK.

&&

.SHORT TERM (THROUGH 00Z TUESDAY)...SHORTWAVE RIDGING CONTINUES TO
BUILD INTO THE REGION THIS AFTERNOON. A STRONG SHORTWAVE TROUGH IS
CURRENTLY NEARING THE WASHINGTON COAST. THIS WAVE WILL PASS FAR TO
THE NORTH OF UTAH EARLY THIS WEEKEND. THE ASSOCIATED DRY COLD
FRONT WILL CROSS THE AREA SATURDAY. THE NET EFFECT OF THIS COLD
FRONT WILL BE AN INCREASE IN CLOUDS AND A FEW DEGREES OF MID-
LEVEL COOLING.

GIVEN THE POTENTIAL FOR RADIATIONAL FOG IN THE CACHE AND MOUNTAIN
VALLEYS TONIGHT...ADDED PATCHY FOG TO THE FORECAST. OTHERWISE...A
FAIRLY TYPICAL FEBRUARY NIGHT IS ON TAP ACROSS THE CWA.

AFTER SATURDAYS DRY COLD FRONT...SIGNIFICANT RIDGING WILL BUILD
INTO THE AREA. THIS WILL BRING A WARMING TREND TO THE HIGHER
ELEVATIONS...WHILE THE LOWER ELEVATIONS MAY REMAIN INVERTED.
WITH A SIGNIFICANT SNOWPACK ACROSS MOST NORTHERN UTAH
VALLEYS...INVERSION CONDITIONS WILL LIKELY INCREASE OVER THE NEXT
FEW DAYS.

.LONG TERM (AFTER 00Z TUESDAY)...LONG WAVE HIGH PRESSURE RIDGING
WILL BE THE DOMINATING FEATURE THROUGH MID TO LATE WEEK. STRONG
WARMING OF 700MB TEMPS ARE FORECAST TO PEAK BY MIDWEEK NEAR 4.5C
WHICH MAY TRANSLATE TO DAYTIME SURFACE TEMPERATURES WARMING INTO THE
UPPER 30S AND MID 40S FOR MUCH OF THE STATE. THE NEXT DISTURBANCE IS
ADVERTISED BY LONG RANGE FORECAST MODELS TO BRING IN A SHORTWAVE
TROUGH ACROSS THE PACIFIC NORTHWEST AND THROUGH THE NORTHERN ROCKIES
BY NEXT SATURDAY.

&&

.AVIATION...EXPECTING MOSTLY CALM WINDS AT THE KSLC TERMINAL
OVERNIGHT WITH CLEARING SKIES. A 60 PERCENT CHANCE FOR HAZY
VISIBILITIES TO DEVELOP AFTER 11Z UNDER INVERSION
CONDITIONS...BUT SHOULD ERODE BY MID DAY 18Z-20Z SATURDAY.

&&

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

$$

KRUSE/DEWEY

FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)

FOR FREQUENTLY ASKED QUESTIONS ABOUT THE AREA FORECAST DISCUSSION
VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY/GENERAL/AFD_FAQS.PHP (ALL LOWER CASE)



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