HAZARDOUS WEATHER OUTLOOK
Issue Date: 623 PM CST TUE DEC 1 2009
Expiration: 630 PM 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...TONIGHT
A STRONG LOW PRESSURE SYSTEM DEVELOPING IN THE NORTHWEST GULF OF
MEXICO WILL MOVE INTO SOUTHEAST LOUISIANA TONIGHT 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 THROUGH WEDNESDAY MORNING. TIDES
MAY REACH 2 FEET ABOVE NORMAL ALONG EAST FACING SHORES...PARTICULARLY
AT HIGH TIDE TONIGHT.
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...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... GALE WARNINGS ARE NOW IN EFFECT FOR THE COASTAL WATERS
EXCLUDING THE TIDAL LAKES THROUGH TONIGHT. A SMALL CRAFT ADVISORY
REMAINS IN EFFECT FOR THE TIDAL LAKES TONIGHT. STRONG WINDS OF 30
TO 35 KNOTS AND HIGH SEAS ARE EXPECTED OVER THE COASTAL WATERS.
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 WARNINGS FOR
THE COASTAL WATERS AND SMALL CRAFT ADVISORIES FOR THE TIDAL LAKES
WILL REMAIN IN EFFECT THROUGH WEDNESDAY EVENING.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE NEEDED THROUGH WEDNESDAY MORNING FOR
HAZARDOUS WEATHER IMPACTS MAINLY NEAR COASTAL AREAS.
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