Area Forecast Discussion
Issued by NWS Salt Lake City, UT

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FXUS65 KSLC 210259
AFDSLC

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
859 PM MDT SUN JUL 20 2014

.SYNOPSIS...A WEAK SYSTEM WILL EXIT NORTHERN UTAH TONIGHT
EVENING. A DRIER SOUTHWEST FLOW WILL FOLLOW FOR TOMORROW AND
TUESDAY. MOISTURE WILL INCREASE FROM THE SOUTH AGAIN ON WEDNESDAY.


&&

.DISCUSSION...A DEEP LAYER SOUTHERLY FLOW ALOFT PREVAILS ACROSS
THE GREAT BASIN THIS EVENING...SANDWICHED BETWEEN A MID LEVEL
RIDGE CENTERED OVER NM...AND AN UPPER LOW SPINNING OFF THE
SOUTHERN CA COAST. AN EMBEDDED WAVE LIFTING THROUGH THE NORTHERN
GREAT BASIN HELPED INDUCE SCATTERED SHOWERS AND THUNDERSTORMS
ACROSS THE NORTHERN HALF OF THE FORECAST AREA TODAY WHICH PRODUCED
BRIEF HEAVY RAINFALL. THESE STORMS CONTINUE TO WANE THIS
EVENING...AND ANTICIPATE ONLY A SMALL THREAT WILL REMAIN ALONG THE
UT-ID BORDER INTO THE OVERNIGHT HOURS.

IN THE WAKE OF THIS WAVE MUCH DRIER AIR HAS ADVECTED NORTHWARD
ACROSS THE SOUTHERN HALF OF UT...WHILE THE MONSOONAL MOISTURE
PLUME HAS BECOME DISPLACED MUCH FURTHER EAST INTO EASTERN AZ/NM
NORTHWARD INTO CO. SOUTHERLY FLOW WILL REMAIN IN PLACE OVER THE
NEXT COUPLE OF DAYS MAINTAINING THIS DRIER FLOW. BY MIDWEEK
MOISTURE MAY BEGIN TO WORK ITS WAY BACK INTO THE AREA.

UPDATED EARLIER TO TRIM BACK POPS AND CLOUD COVER ACROSS PORTIONS
OF CENTRAL AND SOUTHERN UT.

&&

.AVIATION...THERE IS A 20 PERCENT CHANCE OF A SHOWER OR
THUNDERSTORM DIRECTLY IMPACTING THE KSLC TERMINAL THROUGH 06Z WITH
GUSTY ERRATIC WINDS. OTHERWISE PREDOMINANT VFR CONDITIONS WITH
SOUTHERLY DRAINAGE WINDS WILL CONTINUE OVERNIGHT THROUGH MIDDAY
MONDAY.

&&

.SLC WATCHES/WARNINGS/ADVISORIES...
UT...FIRE WEATHER WATCH FROM TUESDAY AFTERNOON THROUGH TUESDAY
     EVENING FOR UTZ478-492-495.

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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