Special Marine Warning 49, NWS Lake Charles, LA

SOUTHWEST LOUISIANA AND SOUTHEAST TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
235 PM CDT FRI JUL 12 2002

LATEST KLCH 88D SHOWS SCATTERED SHOWERS AND THUNDERSTORMS MOVING
SOUTHEAST ACROSS THE NORTHERN ZONES...WITH SOME ACTIVITY BEGINNING
TO DEVELOP OVER SOUTHEAST TEXAS/SOUTHWEST LOUISIANA AS OUTFLOWS PUSH
SOUTH FROM THE CONVECTION. IN ADDITION...SEA BREEZE IS BEGINNING TO
PUSH INLAND OVER THE COASTAL ZONES WHICH IS ALSO HELPING TO SET OFF
A FEW STORMS.

IR SATELLITE PICS INDICATE THE WEAK SURFACE BOUNDARY OVER N OK/SW MO
WITH A LINE OF THUNDERSTORMS DEVELOPING. THIS TROUGH IS PROGGED TO
MOVE SOUTH THIS EVENING AND WEAKEN OVER N TX/N LA. SHOULD SEE ENOUGH
INSTABILITY SOUTH OF THIS TROUGH TO HAVE SCATTERED SHOWERS AND
THUNDERSTORMS ACROSS THE AREA THROUGH THE WEEKEND...WITH POPS HIGHER
OVER THE N ZONES. FORECAST SOUNDINGS INDICATE ABUNDANT MOISTURE WITH
PWS AROUND 2 INCHES.

IN THE UPPER LEVELS...TROUGH CURRENTLY LOCATED OVER NW MO WILL
GRADUALLY MOVE SOUTH NEAR CENT AR/SE OK BEFORE BEING PUSHED BACK TO
THE NORTH AS RIDGING DEVELOPS OVER THE SE CONUS EARLY NEXT WEEK.
THIS PATTERN IS ALSO REFLECTED AT THE SURFACE WITH HIGH PRESSURE
DEVELOPING OVER THE EASTERN GULF...PRODUCING ONSHORE FLOW BY
MONDAY. UNTIL THEN...WEST TO SOUTHWEST WINDS WILL PREVAIL.

IN THE EXTENDED...WILL SEE TYPICAL SCATTERED AFTERNOON CONVECTION
MONDAY AND TUESDAY AS ONSHORE FLOW BRINGS MOISTURE ACROSS THE AREA.
BY WEDNESDAY...THE HIGH OVER THE EASTERN GULF WILL GRADUALLY MOVE
WEST BRINGING DRIER CONDITIONS TO THE AREA.

.KLCH...NONE.

.PRELIMINARY NUMBERS...
AEX 72/92/73/92/72/93/72 4544231
BPT 75/91/76/90/74/92/74 3434231
LCH 75/90/75/90/74/91/74 3434231
LFT 74/92/74/91/75/92/75 2434231

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