Area Forecast Discussion
Issued by NWS Little Rock, AR

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FXUS64 KLZK 060531 AAA
AFDLZK

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1131 PM CST THU MAR 5 2015

.AVIATION...
HIGH PRESSURE CONTINUES OVER THE AREA. CLEAR SKIES ARE EXPECTED
THROUGH MUCH OF THE PERIOD. PATCHY FOG IS POSSIBLE OVERNIGHT MAINLY
NORTHEAST AND SOUTHWEST...MVFR VISIBILITIES ARE EXPECTED. SOME HIGH
CLOUDS WILL DRIFT OVER THE AREA LATE IN THE PERIOD. THE REST OF THE
AREA WILL BE VFR.
&&

.PREV DISCUSSION... /ISSUED 255 PM CST THU MAR 5 2015/

SHORT TERM...TONIGHT THROUGH SATURDAY NIGHT

THE LATEST WINTER STORM IS NOW WELL E OF AR. WITH THE HELP OF
ABUNDANT SUNSHINE AND A HIGHER SUN ANGLE FOR EARLY MARCH...THE
MELTING PROCESS HAS BEEN IN FULL SWING ACRS THE FA THIS AFTN. AT MID
AFTN...ALL BUT PARTS OF NERN AR WERE ABV THE FRZG MARK.

HIGH PRES WL SETTLE OVR THE MID SOUTH TNGT. WITH WINDS BCMG LGT AND
MAINLY CLR SKIES...THE MERCURY WL DROP QUICKLY. LOWS BY FRI MRNG WL
BE IN THE SINGLE DIGIT AND TEENS OVR MUCH OF THE FA. THIS WL RESULT
IN THE REFREEZING OF ANY STANDING WATER/RESIDUAL ICE AND SNOW
LEFTOVER FM TODAY...ESP ON SECONDARY ROADS. WL ISSUE AN SPS TO
HIGHLIGHT THIS HAZARD.

AFTER A COLD START TO THE DAY...TEMPS WL WARM QUICKLY ACRS THE AREA
ON FRI. SFC WINDS WL BCM LGT S/SWLY AS THE DAY PROGRESSES THANKS TO
HIGH PRES SHIFTING E OF AR. EXPECT MOST LOCATIONS TO CLIMB BACK ABV
THE FRZG MARK BY THE MIDDAY HRS.

HEADING INTO THE WEEKEND...HIGH PRES WL RMN SITUATED TO THE S OF
AR...WITH A S/SWLY SFC FLOW CONTG. HIGH TEMPS ON SAT ARE EXPECTED TO
WARM INTO THE LOWER AND MID 50S AT MOST LOCATIONS. READINGS WL DROP
BACK INTO THE 20S AND 30S FOR LOWS...WITH THE COLDEST TEMPS IN
LOCATIONS WHERE SNOW/ICE COVER LINGER.

LONG TERM....SUNDAY THROUGH THURSDAY

THE EXTENDED FORECAST WILL START WITH A SURFACE HIGH PRESSURE SYSTEM
OVER THE REGION WITH A BROAD UPPER TROUGH FROM CENTRAL TO EASTERN
U.S. SHORT WAVE ENERGY IS SEEN IN THE ACTIVE SOUTHERN FLOW AND A
SLIGHT CHANCE OF RAIN IS IN THE FORECAST MAINLY OVER SOUTHERN AR.
INTO MONDAY...THE SHORT WAVE IS EXPECTED TO MOVE EAST AND ONLY A
SLIGHT CHANCE OF RAIN WOULD BE POSSIBLE OVER FAR SOUTHERN AR.
TUESDAY THROUGH THURSDAY...AN UPPER RIDGING PATTERN GRADUALLY SETS
UP OVER THE CENTRAL U.S...WITH WEAKENING SURFACE HIGH PRESSURE.
THIS WILL LEAD TO A WARM UP AND OVERALL DRY WEATHER. TEMPERATURES
WILL WARM BACK TO NORMAL VALUES BY MID WEEK...THEN A BIT WARM
THURSDAY.

THERE IS SOME UNCERTAINTY LATE IN THE EXTENDED FORECAST...WITH A
POSSIBLE CLOSED OFF UPPER LOW PRESSURE SYSTEM OVER TEXAS...WITH A
POTENTIAL TO EJECT SHORT WAVE ENERGY TO THE SOUTHERN PLAINS. AT THIS
TIME WILL HOLD OFF IN ADDING ANY PRECIP TO THE FORECAST 7 DAYS OUT
DUE TO THE UNCERTAINTY.
&&

.LZK WATCHES/WARNINGS/ADVISORIES...NONE.
&&

$$

AVIATION...51



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