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000
FXUS64 KLCH 222352
AFDLCH

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
652 PM CDT WED MAY 22 2013

.AVIATION UPDATE...REGARDING 00Z TAF ISSUANCE. RADAR DEPICTING JUST
A FEW VERY LIGHT SHOWERS OVER ACADIANA. THESE WILL DISSIPATE
SHORTLY AS DRIER AIR ALOFT CONTINUES TO OVERSPREAD THE AREA...IN
ADDITION TO THE ATMOSPHERE BECOMING INCREASINGLY STABLE THROUGH
THE COOLING EVENING HOURS. VFR EXPECTED THROUGH MIDNIGHT. SOME FOG
AND STRATUS DEVELOPMENT WILL BE POSSIBLE LATER TONIGHT AS A
A LOW LEVEL SOUTHERLY FLOW CONTINUES SOUTH OF A STALLED BOUNDARY
EXTENDING THROUGH NORTH LOUISIANA AND INTERIOR SOUTHEAST TEXAS.
THE FOG AND STRATUS DEVELOPMENT WILL BE SOMEWHAT ENHANCED FROM
RAINS ACROSS THE REGION OVER THE PAST 24 HOURS. MVFR/IFR WILL BE
POSSIBLE...WITH CONDITIONS RAPIDLY IMPROVING AFTER SUNRISE
THURSDAY...RETURNING TO VFR.

&&

MARCOTTE


&&

.PREV DISCUSSION... /ISSUED 324 PM CDT WED MAY 22 2013/

DISCUSSION...A WEAKENING TROUGH DRIFTED INTO THE SOUTHERN HALF OF
THE CWA DURING THIS MORNING, HOWEVER THIS BOUNDARY WILL CONTINUE
TO BECOME MORE DIFFUSE AND DRIFT BACK NORTH THROUGH THIS EVENING
AND TONIGHT. A SHORT WAVE IS ALSO TRAVERSING THE REGION WITH THE
BEST DIVERGENCE PUSHING EAST INTO SE LA AND MS. WITH UPPER
DIVERGENCE DEPARTING, THE MID TO UPPER LVLS DRYING, AND THE
SURFACE BOUNDARY WEAKENING RAIN CHANCES WILL CONTINUE TO DECREASE
THROUGH THE REST OF THE DAY, HOWEVER ENOUGH INSTABILITY AND
MOISTURE WILL REMAIN AROUND INTO THURSDAY THAT A FEW ISOLD SHRA
AND TSRA WILL REMAIN POSSIBLE IN THE AFTERNOON.

FRIDAY A RIDGE OF HIGH PRESSURE WILL MOVE SE ACROSS THE GREAT LAKE
REGION PUSHING A WEAK BACK DOOR FRONT INTO OUR LOCAL AREA. A
SLIGHTLY DRIER AIRMASS WILL FILTER IN FROM THE NE AS THE RIDGE
MOVES TOWARD THE EAST COAST THROUGH THE WEEKEND. A FEW SHOWERS OR
STORMS MAY BE POSSIBLE AS THE WEAK BOUNDARY PASSES, HOWEVER THE
WEEKEND AND INTO THE FIRST PORTIONS OF THE COMING WEEK SHOULD
REMAIN DRY AS A RIDGE AT THE SURFACE AND ALOFT REMAINS IN PLACE.

MARINE...FAIRLY TRANQUIL MARINE CONDITIONS ARE EXPECTED THROUGH
THE END OF THE WEEK AND INTO THE WEEKEND AS WEAK RIDGING REMAINS
IN PLACE. LATE IN THE WEEKEND AND INTO NEXT WEEK LOW PRESSURE WILL
DEVELOP OVER THE PLAINS WITH A TIGHTENING OF THE PRESSURE GRADIENT
LOCALLY. THIS WILL GRADUALLY INCREASE WINDS ACROSS THE COASTAL
WATERS INTO NEXT WEEK.

&&

.PRELIMINARY POINT TEMPS/POPS...
KLCH  71  89  71  89  69 /  10  20  10  20  10
KBPT  71  88  71  88  70 /  10  20  10  20  10
KAEX  66  91  69  88  63 /  10  20  10  20  10
KLFT  70  89  71  89  67 /  10  20  10  20  10

&&

.LCH WATCHES/WARNINGS/ADVISORIES...
LA...NONE.
TX...NONE.
GM...NONE.
&&

$$