Area Forecast Discussion
Issued by NWS Salt Lake City, UT

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000
FXUS65 KSLC 271455
AFDSLC

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
855 AM MDT FRI MAR 27 2015

.SYNOPSIS...HIGH PRESSURE WILL SHIFT OVERHEAD THIS AFTERNOON THEN
OFF TO THE EAST SATURDAY AHEAD OF A WEAK STORM SYSTEM. THIS SYSTEM
WILL SEND A COLD FRONT INTO NORTHERN UTAH SATURDAY AFTERNOON AND
SOUTH THROUGH THE AREA SATURDAY NIGHT.

&&

.DISCUSSION...STRONG MID LEVEL RIDGING CENTERED ACROSS THE GREAT
BASIN WILL BUILD EASTWARD TODAY...RESULTING IN SUNNY SKIES AND A
WARMING TREND REGIONWIDE. TEMPERATURES THIS AFTERNOON WILL RUN 10
TO 15 DEGREES ABOVE CLIMO ACROSS MOST VALLEY LOCATIONS.

A WEAK SHORTWAVE TROUGH NEAR 135W IS FORECAST TO TRANSLATE
EASTWARD TODAY...REACHING THE PACIFIC NORTHWEST TONIGHT BEFORE
TRAVERSING THE NORTHERN ROCKIES SATURDAY. THE BRUNT OF THIS WAVE
WILL PASS WELL NORTH OF THE FORECAST AREA...WITH THE TRAILING
SURFACE FRONT FORECAST TO CROSS NORTHERN UT SATURDAY AFTERNOON
BEFORE STALLING ACROSS SOUTHERN UT SATURDAY NIGHT. PRE-FRONTAL
MIXING SHOULD BE SUFFICIENT TO ONCE AGAIN PUSH TEMPERATURES 15 OR
MORE DEGREES ABOVE CLIMO SATURDAY...WHICH WOULD BE ENCROACHING ON
RECORD TERRITORY IN A FEW LOCATIONS (THE RECORD HIGH FOR KSLC
SATURDAY IS 77).

WITH LIMITED MOISTURE AND WEAK DYNAMIC SUPPORT ONLY ISOLATED
CONVECTION IS EXPECTED AS THIS FEATURE CROSSES THE NORTH SATURDAY
AFTERNOON THROUGH SATURDAY EVENING...WITH ISOLATED CONVECTION
REDEVELOPING ALONG THE STALLED BOUNDARY SUNDAY ACROSS SOUTHERN UT.

GOING FORECAST LOOKS IN GOOD SHAPE AND NO UPDATES PLANNED.

&&

.AVIATION...VFR CONDITIONS WILL PREVAIL AT KSLC THROUGH THE TAF
PERIOD WITH A WIND SHIFT TO THE NORTHWEST EXPECTED AROUND 19Z.

&&

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

$$

SEAMAN

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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