HAZARDOUS WEATHER OUTLOOK
Issue Date: 527 AM CST TUE DEC 8 2009
Expiration: 530 AM CST WED DEC 09 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE NORTHWEST
GULF OF MEXICO...CENTRAL LOUISIANA...SOUTH CENTRAL LOUISIANA...
SOUTHWEST LOUISIANA...WEST CENTRAL LOUISIANA AND SOUTHEAST TEXAS.
.DAY ONE...TODAY AND TONIGHT
WARM MOIST AIR WILL SURGE NORTH TODAY AS A WARM FRONT MOVES
INLAND AND LOW PRESSURE DEVELOPS OVER NW TEXAS AND W OK. A STRONG
50 TO 60 KNOT LOW LEVEL JET WILL DEVELOP...AND WITH ADEQUATE DEEP
LAYER SHEAR IN PLACE...SCATTERED SHOWERS AND THUNDERSTORMS ARE
EXPECTED. HOWEVER...INSTABILITY WILL BE RATHER LIMITED.
THUS...EXPECT POSSIBLY SOME ISOLATED SEVERE THUNDERSTORMS WITH
DAMAGING WINDS OR TORNADOES POSSIBLE...MAINLY NORTH OF A LINE
FROM KOUNTZE TO OPELOUSAS. SHOWERS AND THUNDERSTORMS WILL END FROM
WEST TO EAST THIS EVENING.
IN ADDITION...THE PRESSURE GRADIENT WILL TIGHTEN DUE TO THE
DEEPENING LOW OVER NORTHWESTERN TEXAS. THIS WILL RESULT IN STRONG
GUSTY SOUTHERLY WINDS. WIND SPEEDS OF 20 TO 25 MPH ARE EXPECTED WITH
GUSTS TO AROUND 30 MPH POSSIBLE MAINLY ALONG AND SOUTH OF INTERSTATE 10.
A LAKE WIND ADVISORY WILL BE IN EFFECT FOR THIS AREA FROM 11 AM THROUGH
6 PM TODAY.
THE STRONG SOUTHERLY WINDS WILL ALSO OCCUR OVER THE COASTAL
WATERS. A SMALL CRAFT ADVISORY WILL BE IN EFFECT FOR THE COASTAL
LAKES AND BAYS AS WELL AS THE OFFSHORE WATERS BEGINNING AT 9 AM
THIS MORNING. WINDS WILL INCREASE TO 20 TO 25 KNOTS OVER THE COASTAL
WATERS WITH WINDS NEAR 20 KNOTS OVER COASTAL LAKES AND BAYS. SEAS
ARE EXPECTED TO BUILD TO 5 TO 7 FEET.
.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY
DRIER COOLER WEATHER IS EXPECTED FOR WEDNESDAY INTO THURSDAY. THE
NEXT CHANCE FOR RAIN COMES LATE IN THE WEEK AS ANOTHER LOW PRESSURE
SYSTEM DEVELOPS OVER THE GULF OF MEXICO.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE NEEDED TODAY.
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