HAZARDOUS WEATHER OUTLOOK
Issue Date: 445 AM CST TUE DEC 1 2009
Expiration: 445 AM CST WED DEC 02 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF COASTAL WATERS
OF SOUTHEAST LOUISIANA AND SOUTH MISSISSIPPI...SOUTHEAST
LOUISIANA AND SOUTHERN MISSISSIPPI.
.DAY ONE...TODAY AND TONIGHT
A STRONG LOW PRESSURE SYSTEM DEVELOPING IN THE WEST GULF OF MEXICO
WILL MOVE INTO SOUTHEAST LOUISIANA TUESDAY NIGHT AND SOUTHERN
MISSISSIPPI BY WEDNESDAY MORNING. THERE WILL BE VARIOUS THREATS
WITH THE PASSAGE OF THIS SYSTEM.
SEVERE WEATHER...ISOLATED TORNADOES AND LOCALIZED HIGH GUSTS NEAR
60 MPH ARE POSSIBLE MAINLY IN LOWER SOUTHEAST LOUISIANA AND THE
COASTAL MISSISSIPPI COUNTIES MAINLY THIS EVENING THROUGH SUNRISE
WEDNESDAY.
COASTAL FLOODING...A COASTAL FLOOD WATCH IS IN EFFECT FOR COASTAL
MISSISSIPPI AND COASTAL LOUISIANA FROM THIS AFTERNOON THROUGH
WEDNESDAY MORNING. TIDES MAY REACH 2 FEET ABOVE NORMAL ALONG EAST
FACING SHORES...PARTICULARLY AT HIGH TIDE TUESDAY NIGHT.
HEAVY RAINFALL AND FLOODING...EFFICIENT RAINFALL FOR SEVERAL HOURS
MAY PRODUCE STORM ACCUMULATIONS OF 4 TO 6 INCHES BY WEDNESDAY
MORNING ALONG THE MISSISSIPPI COAST AND LOWER SOUTHEAST LOUISIANA.
LESSER ACCUMULATIONS OF 2 TO 4 INCHES ARE POSSIBLE OVER SOUTHEAST
LOUISIANA AND TAPERING TO 1 TO 2 INCHES OR LESS IN EAST-CENTRAL
LOUISIANA. A FLASH FLOOD WATCH IS IN EFFECT FOR PORTIONS OF THE
OUTLOOK AREA.
HIGH WINDS...MODERATE EAST WINDS DEVELOPING THIS AFTERNOON WILL
BECOME STRONG SOUTH WINDS TONIGHT WITH PERIODS OF HIGHER GUSTS.
STRONG WIND GUSTS CAN BE EXPECTED PARTICULARLY ON ELEVATED BRIDGES
AND SPANS THAT CROSS LARGE BODIES OF WATER ALONG COASTAL AREAS.
MARINE... A SMALL CRAFT ADVISORY IS IN EFFECT THROUGH THIS MORNING
AND A GALE WATCH FROM NOON THROUGH TONIGHT.
RIVER FLOODING...ATCHAFALAYA RIVER AT MORGAN CITY WILL REMAIN
ABOVE FLOOD LEVEL THROUGH SUNDAY. RIVERS IN THE MISSISSIPPI GULF
DRAINAGE SYSTEM MAY APPROACH OR EXCEED FLOOD LEVELS WEDNESDAY
DEPENDING ON FUTURE RAINFALL FROM THE GULF LOW.
.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY
A FLASH FLOOD WATCH WILL REMAIN IN EFFECT THROUGH NOON WEDNESDAY
AS THE LOW PRESSURE SYSTEM EXITS THE REGION. THE GALE WATCH WILL
REMAIN IN EFFECT THROUGH EARLY THURSDAY MORNING.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE NEEDED THIS EVENING THROUGH WEDNESDAY
MORNING FOR HAZARDOUS WEATHER IMPACTS MAINLY NEAR COASTAL AREAS.
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