Area Forecast Discussion
Issued by NWS Lake Charles, LA

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FXUS64 KLCH 202013
AFDLCH

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
313 PM CDT WED AUG 20 2014

.DISCUSSION...RADAR DEPICTING SCATTERED SHOWERS AND THUNDERSTORMS
ONGOING. INITIAL NORTHERN PRECIPITATION ASSOCIATED WITH SEABEEZE...
NOW MOVING INTO CENTRAL LOUISIANA AND INTERIOR SOUTHEAST TEXAS.
BELIEVE CONVECTION FURTHER SOUTH AND INTO THE NEAR COASTAL WATERS
MORE A RESULT OF NORTHWEST GULF SHORTWAVE ADVANCING NORTHWARD.
HAVE OPTED TO MAINTAIN POPS INTO THE EVENING HOURS WITH THIS
FEATURE IN PLAY.

FOR THURSDAY...ANTICYCLONE AND WESTERN EXTENT OF SUBTROPICAL HIGH
WILL CONTINUE TO PUSH FURTHER WESTWARD. DOES APPEAR THAT ENOUGH
MOISTURE WILL STILL BE IN PLAY TO HOLD ONTO SOME POPS FOR THE
AFTERNOON...ALBEIT LOW.

ANTICYCLONE SETTLES OVER THE AREA FOR FRIDAY AND THE WEEKEND.
PRECIPITABLE WATER VALUES PROGGED TO PLUMMETT WELL BELOW 1.5
INCHES DURING THIS TIME-FRAME WITH SHARPLY DRIER AIR RETURNING IN
THE MID AND UPPER LEVELS. HENCE RAIN CHANCES NEAR NIL. WILL
HOWEVER MAINTAIN OUR LOW LEVEL SOUTHERLY FLOW KEEPING DEWPOINTS/HUMIDITY
ON THE HIGH SIDE...WITH DAILY HEAT INDICES REACHING FROM 100 TO
105.

BRING A CHANCE FOR SOME SHOWERS AND THUNDERSTORMS BACK INTO THE
FORECAST MONDAY AS SOUTHERN EXTENT OF HIGH BEGINS TO BREAK DOWN
WITH APPROACH OF IMPULSES FROM THE EAST.

&&

.MARINE...HIGH PRESSURE RIDGING OVER THE GULF WATERS WILL MAINTAIN A LIGHT
SOUTH TO SOUTHWEST FLOW THROUGH THE FORECAST. A FEW SHOWERS AND
THUNDERSTORMS WILL REMAIN POSSIBLE THROUGH THURSDAY.

&&

.PRELIMINARY POINT TEMPS/POPS...
KLCH  78  94  77  94  76 /  30  30  10  10  10
KBPT  78  93  77  94  77 /  30  30  10  10  10
KAEX  75  95  75  96  74 /  30  30  10  10  10
KLFT  77  93  76  94  76 /  30  30  10  10  10

&&

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

$$







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