000 WTNT33 KNHC 040253 TCPAT3 BULLETIN TROPICAL STORM LEE ADVISORY NUMBER 10 NWS NATIONAL HURRICANE CENTER MIAMI FL AL132011 1000 PM CDT SAT SEP 03 2011 ...LEE STILL MEANDERING NEAR THE COAST OF SOUTHERN LOUISIANA... SUMMARY OF 1000 PM CDT...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...29.4N 92.6W ABOUT 85 MI...140 KM WSW OF MORGAN CITY LOUISIANA ABOUT 65 MI...105 KM SSW OF LAFAYETTE LOUISIANA MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...NNW OR 335 DEGREES AT 2 MPH...4 KM/H MINIMUM CENTRAL PRESSURE...988 MB...29.18 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * DESTIN FLORIDA WESTWARD TO SABINE PASS TEXAS...INCLUDING THE CITY OF NEW ORLEANS...LAKE PONTCHARTRAIN...AND LAKE MAUREPAS FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL NATIONAL WEATHER SERVICE FORECAST OFFICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 1000 PM CDT...0300 UTC...THE CENTER OF TROPICAL STORM LEE WAS LOCATED BY RADAR AND SURFACE OBSERVATIONS JUST OFF THE SOUTHERN COAST OF LOUISIANA NEAR LATITUDE 29.4 NORTH...LONGITUDE 92.6 WEST. LEE HAS BEEN DRIFTING TOWARD THE WEST DURING THE PAST FEW HOURS...HOWEVER A SLOW NORTHWARD MOTION IS EXPECTED TO BEGIN OVERNIGHT OR EARLY SUNDAY. A SLOW NORTHEASTWARD MOTION IS EXPECTED BY SUNDAY NIGHT. ON THE FORECAST TRACK...THE CENTER OF LEE IS EXPECTED TO MOVE ONSHORE THE LOUISIANA COAST OVERNIGHT...THEN MOVE SLOWLY ACROSS SOUTHERN LOUISIANA SUNDAY AND SUNDAY NIGHT. MAXIMUM SUSTAINED WINDS REMAIN NEAR 50 MPH...85 KM/H...WITH HIGHER GUSTS. GRADUAL WEAKENING IS FORECAST DURING THE NEXT COUPLE OF DAYS. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 260 MILES...415 KM FROM THE CENTER...MAINLY OVER WATER. REPORTS FROM OFFSHORE OIL RIGS INDICATE THAT THE MINIMUM CENTRAL PRESSURE IS 988 MB...29.18 INCHES HAZARDS AFFECTING LAND ---------------------- RAINFALL...TROPICAL STORM LEE IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS OF 10 TO 15 INCHES FROM THE CENTRAL GULF COAST NORTHWARD INTO THE TENNESSEE VALLEY...WITH POSSIBLE ISOLATED MAXIMUM AMOUNTS OF 20 INCHES THROUGH MONDAY. THESE RAINS ARE EXPECTED TO CAUSE EXTENSIVE FLOODING AND FLASH FLOODING. STORM SURGE...A STORM SURGE WILL RAISE WATER LEVELS BY AS MUCH AS 3 TO 5 FEET ABOVE GROUND LEVEL ALONG THE LOUISIANA COAST...AND BY AS MUCH AS 1 TO 3 FEET ABOVE GROUND LEVEL ALONG THE MISSISSIPPI AND ALABAMA COASTS INCLUDING MOBILE BAY. WIND...TROPICAL STORM CONDITIONS ARE EXPECTED TO CONTINUE OVER PORTIONS OF THE WARNING AREA TONIGHT AND SUNDAY...AND POSSIBLY INTO MONDAY. TORNADOES...A FEW TORNADOES WILL BE POSSIBLE THROUGH TONIGHT OVER PORTIONS OF SOUTHERN LOUISIANA...SOUTHERN MISSISSIPPI...SOUTHERN ALABAMA...AND THE FAR WESTERN FLORIDA PANHANDLE. SEE PRODUCTS ISSUED BY LOCAL NATIONAL WEATHER SERVICE FORECAST OFFICES FOR MORE DETAILS. NEXT ADVISORY ------------- NEXT INTERMEDIATE ADVISORY...100 AM CDT. NEXT COMPLETE ADVISORY...400 AM CDT. $$ FORECASTER BROWN