FLASH FLOOD WATCH
Warning Issue Date: 1007 AM CST MON NOV 30 2009
...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 6 PM CST THIS EVENING
THROUGH WEDNESDAY MORNING...
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...JACKSON AND PEARL RIVER.
* FROM 6 PM CST THIS EVENING THROUGH WEDNESDAY MORNING
* A LOW PRESSURE SYSTEM STRENGTHENING ALONG A STALLED FRONT IN THE
WESTERN GULF OF MEXICO WILL MOVE INTO SOUTHEAST LOUISIANA AND
SOUTHERN MISSISSIPPI TONIGHT. WIDESPREAD AND STEADY MODERATE
TO OCCASIONALLY HEAVY RAINFALL IS EXPECTED WITH THE PASSAGE OF
THIS SYSTEM THROUGH WEDNESDAY MORNING.
* RAINFALL ACCUMULATIONS GENERALLY BETWEEN 2 TO 4 INCHES IS
EXPECTED ACROSS THE WATCH AREA FROM THIS EVENING THROUGH
WEDNESDAY MORNING. A BAND OF HIGHER AMOUNTS BETWEEN 4 AND 6
INCHES MAY DEVELOP MAINLY OVER THE MISSISSIPPI COASTAL
COUNTIES AND LOWER SOUTHEAST LOUISIANA BY WEDNESDAY MORNING.
RUN OFF WILL CAUSE AREA RIVERS AND STREAMS TO SWELL TO HIGHER
LEVELS AND POSSIBLY CAUSE A FEW TO FLOOD INTO THE MIDDLE OF
THE WEEK. IN ADDITION...ANTICIPATED STRONG ONSHORE FLOW
TONIGHT MAY COMPOUND RIVER RISES DUE TO TIDAL AFFECTS UNTIL
WINDS SHIFT TO AN OFFSHORE DIRECTION.
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.
$$
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