HAZARDOUS WEATHER OUTLOOK
Issue Date: 757 PM CST MON DEC 7 2009
Expiration: 600 AM CST TUE DEC 08 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF COASTAL WATERS
OF SOUTHEAST LOUISIANA AND SOUTH MISSISSIPPI...SOUTHEAST
LOUISIANA AND SOUTHERN MISSISSIPPI.
.DAY ONE...TONIGHT
ISOLATED THUNDERSTORMS ARE POSSIBLE MAINLY NEAR THE COAST AND
ACROSS THE COASTAL WATERS WEST OF THE MISSISSIPPI RIVER. THE
PRIMARY THREAT WILL BE OCCASIONAL LIGHTNING...WIND GUSTS 30 MPH
AND BRIEF HEAVY RAINFALL. THUNDERSTORMS MAY INCREASE IN COVERAGE
FARTHER INLAND TOWARDS DAYBREAK.
.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY
THERE IS A SLIGHT RISK OF SEVERE WEATHER ACROSS THE ENTIRE OUTLOOK
AREA TUESDAY AND TUESDAY NIGHT. THE MAIN CONCERN FROM SEVERE
WEATHER WILL BE DAMAGING STRAIGHT LINE WINDS AND POSSIBLE TORNADOES.
A DEEP SURFACE LOW IS EXPECTED TO MOVE INTO THE MID MISSISSIPPI
VALLEY AND BRING A COLD FRONT THROUGH THE REGION TUESDAY NIGHT.
AHEAD OF THE COLD FRONT ABUNDANT MOISTURE AND STRONG WINDS WILL BE
IN PLACE. WITH MARGINAL INSTABILITY IN PLACE...A STRONG
DISTURBANCE MOVING THROUGH THE CENTRAL PLAINS SHOULD HELP DEVELOP
THUNDERSTORMS DURING THE DAY WITH A FEW BECOMING STRONG TO SEVERE.
WITH THE AMOUNT OF SHEAR EXPECTED ANY DEEP THUNDERSTORM WILL HAVE
THE CAPABILITY OF PRODUCING BOWING STRUCTURES AND/OR BECOMING A
SUPERCELL. THIS WILL PRIMARILY BRING A RISK OF DAMAGING WINDS AND
EVEN A OR TORNADO OR TWO. THE SEVERE RISK WILL END OVERNIGHT
TUESDAY AFTER THE PASSAGE OF THE COLD FRONT.
SMALL CRAFT ADVISORIES ARE LIKELY ONCE AGAIN TUESDAY THROUGH
WEDNESDAY. SOUTHERLY WINDS WILL INCREASE TO AROUND 25 KNOTS
TUESDAY AHEAD OF AN APPROACHING COLD FRONT. AFTER THE COLD FRONT
PASSES WINDS WILL REMAIN STRONG FROM THE NORTHWEST.
.SPOTTER INFORMATION STATEMENT...
THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND
EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF SEVERE WEATHER MAY BE
NEEDED TUESDAY AND TUESDAY NIGHT...DECEMBER 8TH.
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