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@RUKWBCeKDENWGUS74 KLIX 121823

FFSNEW

LAZ040-056>065-122200-



URBAN AND SMALL STREAM FLOOD ADVISORY

NATIONAL WEATHER SERVICE NEW ORLEANS LA

1223 PM CST MON MAR 12 2001



...STREET FLOODING IS POSSIBLE IN THE GREATER NEW ORLEANS AREA THIS

AFTERNOON...



THE NATIONAL WEATHER SERVICE IN SLIDELL HAS ISSUED AN URBAN AND

SMALL STREAM FLOOD ADVISORY FOR THE FOLLOWING LOCATIONS IN

SOUTHEASTERN LOUISIANA...



ST TAMMANY...ORLEANS...ST BERNARD...UPPER JEFFERSON...UPPER

PLAQUEMINES...UPPER LAFOURCHE...UPPER TERREBONNE...ASSUMPTION...ST

JOHN THE BAPTIST AND ST JAMES PARISHES



UNTIL 400 PM CST.



THIS ADVISORY INCLUDES THE GREATER NEW ORLEANS AREA...SLIDELL...

METAIRIE...THE WEST BANK COMMUNITIES OF JEFFERSON...LAPLACE...

THIBODAUX...HOUMA AND NAPOLEONVILLE.



THE SQUALL LINE THAT HAD BEEN MOVING ACROSS THE FLORIDA PARISHES

DURING THE MORNING HOURS HAD BECOME ORIENTED EAST-WEST AND SLOWED

ITS FORWARD PROGRESS. THE LINE OF STORMS EXTENDED GENERALLY

ACROSS LAKE PONTCHARTRAIN TO THE LOWER ATCHAFALAYA RIVER...AND WAS

DRIFTING SLOWLY SOUTHWARD INTO THE SOUTH SHORE PARISHES OF LAKE

PONTCHARTRAIN.



GIVEN THE SLOWER MOVEMENT OF THE RAIN AREA...AND THE TORRENTIAL

NATURE OF THE RAINFALL...STREET FLOODING WILL BECOME INCREASINGLY

IMMINENT ONCE THE RAINS BEGIN ACROSS THE METRO AREA. HEAVY RAINFALL

CONTINUES IN THE SLIDELL AREA SINCE ABOUT 10 AM. SOME MINOR STREET

FLOODING MAY BE DEVELOPING IN PORTIONS OF SLIDELL.



RAINFALL RATES OF 1 TO 2 INCHES PER HOUR CAN BE EXPECTED WITH SOME

LOCALIZED ACCUMULATIONS NEAR 4 INCHES POSSIBLE THIS AFTERNOON.



MOTORIST SHOULD NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROADWAY.

STAY TUNED FOR LATER STATEMENTS AND POSSIBLE WARNINGS THROUGHOUT

THE AFTERNOON...PARTICULARLY IN THE NEW ORLEANS METRO AREA DURING

THE EVENING COMMUTE.

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