Area Forecast Discussion
Issued by NWS Little Rock, AR

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000
FXUS64 KLZK 300901
AFDLZK

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LITTLE ROCK AR
400 AM CDT THU JUL 30 2015

.SHORT TERM...TODAY THROUGH SUNDAY NIGHT

THE PERSISTENT UPR RDG...THAT HAS BROUGHT THE OPPRESSIVE HEAT AND
HUMIDITY TO AR OF LATE...WAS ALREADY STARTING TO RETROGRADE WWD EARLY
THIS MRNG. THIS HAS ALLOWED A WEAK FNTL BNDRY TO DROP SWD THRU NRN
AND CNTRL AR OVERNIGHT. THE FNT WL CONT WORKING SLOLY SWD AS THE DAY
PROGRESSES.

NELY SFC WINDS BEHIND THE FNT WL GRADUALLY BRING A DRIER AIRMASS
INTO MUCH OF THE REGION. LOW LVL MOISTURE WL POOL ALONG THE BNDRY
ACRS SRN AR TODAY. AFTN TEMPS IN THE MID AND UPPER 90S IN THE VCNTY
OF THE FNT WL PUSH HEAT INDICES INTO THE 105 TO 109 DEGREE RANGE.
SO HAVE ISSUED A HEAT ADVY FOR OUR SRN COUNTIES THIS AFTN.

AS A FAR AS RAIN CHCS GO...A WEAK SHRTWV WL WORK OUT OF OK AND APCH
WRN AR TODAY. THIS FEATURE WL INTERACT WITH THE LINGERING SFC BNDRY TO
PRODUCE WDLY SCTD SHRA/TSRA OVR THE SWRN HALF OF THE FA. SOME OF THE
HI-RES MODEL DATA CONT TO SUGGEST THAT W-CNTRL AND SWRN AR WL BE THE
AREA OF FOCUS FOR STORM FORMATION.

THE AFOREMENTIONED BNDRY WL CONT TO WORK FURTHER TO THE S AND W OF
AR BY FRI AS SFC HIGH PRES BLDS INTO THE MID SOUTH. HIGH TEMPS HEADING
INTO THE WEEKEND WL BE CLOSER TO NORMAL...WITH HUMIDITY VALUES MUCH
LOWER COMPARED TO LATE. NWLY FLOW ALOFT WL BRING ANOTHER WEAK FNT
SWD INTO AR LATER IN THE WEEKEND...BUT IS NOT EXPECTED TO HAVE MUCH
IMPACT ON THE AREA.
&&

.LONG TERM...MONDAY THROUGH WEDNESDAY

HIGH PRESSURE ALOFT WILL BE CENTERED OVER THE FOUR CORNERS AREA TO
BEGIN THE LONG TERM PERIOD. LITTLE MOVEMENT WILL BE NOTED THROUGH
THE PERIOD. THIS WILL KEEP NORTHWEST FLOW OVER ARKANSAS.

QUIET WEATHER IS EXPECTED TO BEGIN THE PERIOD. HOWEVER...A WEAK
SHORTWAVE IS ANTICIPATED TO MOVE THROUGH THE NORTHWEST FLOW
WEDNESDAY...TRIGGERING SCATTERED SHOWERS AND THUNDERSTORMS...MAINLY
NORTH. MAX TEMPERATURES IN THE 90S TO NEAR 100 DEGREES ARE EXPECTED
THROUGH THE PERIOD. LOWS WILL BE IN THE 70S.
&&

.LZK WATCHES/WARNINGS/ADVISORIES...
HEAT ADVISORY FROM NOON TODAY TO 7 PM CDT THIS EVENING FOR BRADLEY-
CALHOUN-CLARK-CLEVELAND-DALLAS-DESHA-DREW-LINCOLN-OUACHITA-PIKE-POLK.
&&

$$

SHORT TERM...44 / LONG TERM...51


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