Area Forecast Discussion
Issued by NWS Shreveport, LA

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000
FXUS64 KSHV 251147
AFDSHV

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SHREVEPORT LA
547 AM CST SUN JAN 25 2015

.AVIATION...
FOR THE 25/12Z TAFS...VFR FLIGHT CONDITIONS ARE EXPECTED TO
PREVAIL AREAWIDE THROUGH THE ENTIRE TAF PERIOD. SFC WINDS WILL
INCREASE TO BETWEEN 12 AND 15 KTS WITH GUSTS BETWEEN 20 AND 25 KTS
BY MID TO LATE MORNING AS A COLD FRONT MOVES ACROSS THE AREA.
WINDS WILL ALSO GRADUALLY BECOME NWLY AS THE FRONT PASSES. SOME
RAIN HAS DEVELOPED ALONG THE FRONT IN WRN AR AND A COUPLE OF
ISOLATED SHWRS CANNOT BE RULED OUT AT KTXK/KELD BUT THE CHANCES
ARE TOO LOW TO INCLUDE IN THE TAFS. MID/HIGH LVL CLOUDS WILL
INCREASE FROM THE NW WITH THE FRONT ALONG WITH THE DEVELOPMENT OF
SOME CU BETWEEN 4 AND 5 KFT. SKIES ARE EXPECTED TO CLEAR AND WIND
SPEEDS SHOULD SLOWLY DIMINISH LATE IN THE TAF PERIOD AS DRY AIR
WORKS INTO THE REGION AND THE PRESSURE GRADIENT RELAXES. /09/

&&

.PREV DISCUSSION... /ISSUED 249 AM CST SUN JAN 25 2015/

DISCUSSION...
DRY FRONTAL BOUNDARY CURRENTLY ACROSS EASTERN OKLAHOMA INTO
CENTRAL TEXAS TO MOVE ACROSS THE REGION TODAY ALLOWING FOR LIGHT
SOUTHERLY WINDS TO BECOME NORTHWEST AT 15 TO 20 MPH WITH HIGHER
GUSTS MAINLY ALONG AND NORTH OF THE INTERSTATE 20 CORRIDOR. WINDS
TO ACHIEVE LAKE WIND ADVISORY CRITERIA AROUND NOON...SUBSIDING BY
SUNSET. AFTERNOON HIGH TEMPERATURES TODAY TO CLIMB INTO THE LOW TO MID
60S WITH LOWS IN THE MID TO UPPER 30S OVERNIGHT.

UPPER-LEVEL RIDGE TO MAINTAIN MAINLY NORTHWEST FLOW ALOFT,,,TRANSITIONING
TO ZONAL FLOW BY MIDWEEK. THIS WILL CONTRIBUTE TO DRY CONDITIONS
THROUGHOUT MUCH OF THE FORECAST PERIOD. AT THE SURFACE...HIGH
PRESSURE TO PREVAIL WITH TEMPERATURES RANGING FROM HIGHS IN THE
60S TO LOWS IN THE 40S AND 50S THROUGH THURSDAY.

A COLD FRONT WILL MOVE ACROSS THE REGION ON THURSDAY AFTERNOON
ALLOWING FOR MUCH COOLER TEMPERATURES WITH LOW TEMPERATURES FALLING
INTO THE 30S AND HIGHS IN THE 50 FOR FRIDAY AND SATURDAY.
SOUTHWEST FLOW OF PACIFIC MOISTURE ALOFT...COMBINED WITH A 700 MB TROUGH
ACROSS TEXAS...TO ALLOW FOR INCREASED RAIN CHANCES FOR SATURDAY
AFTERNOON AND EVENING. /05/

&&

.PRELIMINARY POINT TEMPS/POPS...
SHV  64  38  60  43  68 /   0   0   0   0   0
MLU  64  38  56  41  64 /   0   0   0   0   0
DEQ  62  32  60  36  69 /   0   0   0   0   0
TXK  63  36  58  43  68 /   0   0   0   0   0
ELD  62  35  57  39  65 /   0   0   0   0   0
TYR  63  37  63  44  70 /   0   0   0   0   0
GGG  65  38  62  43  69 /   0   0   0   0   0
LFK  67  38  63  43  71 /   0   0   0   0   0

&&

.SHV WATCHES/WARNINGS/ADVISORIES...
AR...LAKE WIND ADVISORY FROM NOON TODAY TO 6 PM CST THIS EVENING FOR
     THE FOLLOWING ZONES: ARZ050-051-059>061-070>073.

LA...LAKE WIND ADVISORY FROM NOON TODAY TO 6 PM CST THIS EVENING FOR
     THE FOLLOWING ZONES: LAZ001>006-010>014-019-021-022.

OK...LAKE WIND ADVISORY FROM NOON TODAY TO 6 PM CST THIS EVENING FOR
     THE FOLLOWING ZONES: OKZ077.

TX...LAKE WIND ADVISORY FROM NOON TODAY TO 6 PM CST THIS EVENING FOR
     THE FOLLOWING ZONES:
     TXZ096-097-108>112-124>126-136>138-150-151.

&&

$$

09




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