FLASH FLOOD WATCH
Warning Issue Date: 1010 PM CST WED DEC 16 2009
...FLASH FLOOD WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH LATE THURSDAY NIGHT...
THE FLASH FLOOD WATCH CONTINUES FOR
* PORTIONS OF SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI...
INCLUDING THE FOLLOWING AREAS...IN SOUTHEAST LOUISIANA...
ASSUMPTION...LOWER JEFFERSON...LOWER LAFOURCHE...LOWER
PLAQUEMINES...LOWER ST. BERNARD...LOWER TERREBONNE...ORLEANS...
ST. CHARLES...ST. JAMES...ST. JOHN THE BAPTIST...ST. TAMMANY...
UPPER JEFFERSON...UPPER LAFOURCHE...UPPER PLAQUEMINES...UPPER
ST. BERNARD AND UPPER TERREBONNE. IN SOUTHERN MISSISSIPPI...
HANCOCK...HARRISON AND JACKSON.
* FROM THURSDAY AFTERNOON THROUGH LATE THURSDAY NIGHT
* A STEADY RAIN AND NUMEROUS SHOWERS ARE EXPECTED...STARTING IN
THE MID TO LATE MORNING HOURS THURSDAY AND CONTINUING THROUGH
MUCH OF THURSDAY NIGHT BEFORE ENDING FROM THE WEST LATE THURSDAY
NIGHT AND EARLY FRIDAY MORNING. LOCALLY HEAVY RAIN SHOWERS AND
THUNDERSTORMS ARE EXPECTED...MAINLY SOUTH OF A LINE FROM
NAPOLEONVILLE TO SLIDELL TO ESCATAWPA. GENERAL RAINFALL AMOUNTS
OF 1 TO 2 INCHES ARE EXPECTED WITH LOCALLY HEAVIER AMOUNTS OF 3
TO 4 INCHES POSSIBLE. DUE TO EXISTING STANDING WATER ON SATURATED
SOILS...ANY HEAVY RAIN OR LONGER DURATION MODERATE RAIN WILL
QUICKLY POND IN LOW LYING AREAS... AND POSSIBLY LEAD TO FLASH
FLOODING.
* MANY AREA RIVERS AND BAYOUS ARE RUNNING NEAR OR ABOVE FLOOD
LEVELS...AND ADDITIONAL RAINFALL COULD RESULT IN ADDITIONAL
RIVER RISES AND RENEWED FLOODING OF DRAINAGE CANALS...SMALL
STREAMS...AND POSSIBLY URBAN AREAS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.
YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED THURSDAY. IN THE
MEANTIME...ENSURE DRAINAGE CATCH BASINS ARE CLEARED OF DEBRIS
BEFORE RAINS BEGIN.
$$
24/RR
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