Area Forecast Discussion
Issued by NWS Salt Lake City, UT

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000
FXUS65 KSLC 111623
AFDSLC

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
923 AM MST THU FEB 11 2016

.SYNOPSIS...HIGH PRESSURE WILL REMAIN OVER THE INTERMOUNTAIN WEST
THROUGH FRIDAY. A COUPLE OF WEAK WEATHER DISTURBANCES WILL CROSS
NORTHERN UTAH THIS WEEKEND.

&&

.DISCUSSION...THE CURRENT LARGE SCALE PATTERN CONTINUES TO BE
DOMINATED BY A STRONG RIDGE CENTERED OVER THE GREAT BASIN. WHILE
MILD CONDITIONS WITH MOSTLY CLEAR TO PARTLY CLOUDY SKIES WILL
CONTINUE AT THE HIGHER ELEVATIONS...VALLEY INVERSIONS REMAIN IN
PLACE ACROSS MUCH OF NORTHERN AND CENTRAL UTAH. FOG AND HAZE
CONTINUE TO BE A CONCERN IN THESE VALLEY AREAS TODAY THROUGH AT
LEAST SATURDAY MORNING.

DENSE FOG HAS DISSIPATED IN MANY AREAS BUT CONTINUE TO LINGER IN
UTAH COUNTY PARTICULARLY NEAR UTAH LAKE AS WELL AS ALONG PORTIONS OF
CENTRAL UTAH ALONG THE I-15 CORRIDOR NEAR FILLMORE. HAVE EARLIER
EXTENDED THE DENSE FOG ADVISORY FOR THE SOUTHERN WASATCH FRONT
THROUGH NOON...OTHERWISE NO OTHER HIGHLIGHTS IN PLACE. FOG/STRATUS
WILL CONTINUE TO KEEP MAX TEMPERATURES DEPRESSED IN SOME OF THE
LOWER VALLEYS OF NORTHERN AND PORTIONS OF CENTRAL UTAH
TODAY.

A COUPLE OF WEAK STORM SYSTEMS THIS WEEKEND WILL GRADUALLY ERODE THE
INVERSIONS FROM ALOFT AND SHOULD RESULT IN AT LEAST SOME IMPROVEMENT
FROM THE FOG AND HAZE...ALTHOUGH A WELL MIXED AIRMASS MAY REMAIN
ELUSIVE IN THE VALLEYS.

UPDATED THE FORECAST MAINLY TO REDUCE DENSE FOG WORDING FOR THE REST
OF THE DAY.

&&

.AVIATION...PREVAILING IFR CONDITIONS IN HAZE AND LOW STRATUS ARE
EXPECTED TO REMAIN IN PLACE AT THE KSLC TERMINAL THROUGH THE VALID
TAF PERIOD. SURFACE VISIBILITIES ARE EXPECTED TO IMPROVE TO LOW END
MVFR LEVELS AT TIMES IN THE 21-02Z WINDOW...BUT ONLY A 20 CHANCE
EXISTS THAT LOW STRATUS WILL THIN AND SCATTER DURING THAT TIME
MAINTAINING IFR CONDITIONS. DENSE FOG IS EXPECTED TO ONCE AGAIN
CREEP INTO THE NORTHWESTERN PORTION OF THE AIRFIELD TONIGHT...AND A
60 PERCENT CHANCE EXISTS THAT THIS FOG WILL SPREAD ACROSS THE
AIRFIELD SOMETIME WITHIN THE 09-14Z WINDOW.

&&


.SLC WATCHES/WARNINGS/ADVISORIES...
UT...DENSE FOG ADVISORY UNTIL NOON MST TODAY FOR UTZ004.

WY...NONE.
&&

$$

CHENG/MERRILL

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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