...FLASH FLOOD WATCH IN EFFECT FROM THIS EVENING THROUGH WEDNESDAY MORNING... THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS EXPANDED THE * FLASH FLOOD WATCH TO INCLUDE PORTIONS OF SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI...INCLUDING THE FOLLOWING AREAS...IN SOUTHEAST LOUISIANA...ASSUMPTION...ST. JAMES...ST. JOHN THE BAPTIST AND ST. TAMMANY. IN SOUTHERN MISSISSIPPI...PEARL RIVER. * FROM THIS EVENING THROUGH WEDNESDAY MORNING * A LOW PRESSURE SYSTEM DEVELOPING ALONG A STALLED FRONT IN THE WESTERN GULF OF MEXICO WILL MOVE INTO SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI TUESDAY NIGHT. 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. &&Note: In order to comply with National Weather Service safety tests, occasionally this product will display test alerts, which are normally conducted during calm, quiet weather.
(12/1/2009 3:40 AM)
(11/30/2009 1:30 PM)
(11/6/2009 5:30 AM)