000 WTNT33 KNHC 041750 TCPAT3 BULLETIN TROPICAL STORM LEE INTERMEDIATE ADVISORY NUMBER 12A NWS NATIONAL HURRICANE CENTER MIAMI FL AL132011 100 PM CDT SUN SEP 04 2011 ...LEE MOVING NORTH-NORTHEASTWARD OVER SOUTH-CENTRAL LOUISIANA... SUMMARY OF 100 PM CDT...1800 UTC...INFORMATION ---------------------------------------------- LOCATION...30.4N 91.8W ABOUT 40 MI...65 KM WSW OF BATON ROUGE LOUISIANA ABOUT 20 MI...30 KM NE OF LAFAYETTE LOUISIANA MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...NNE OR 25 DEGREES AT 8 MPH...13 KM/H MINIMUM CENTRAL PRESSURE...987 MB...29.15 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... THE TROPICAL STORM WARNING HAS BEEN DISCONTINUED FROM INTRACOASTAL CITY LOUISIANA WESTWARD TO SABINE PASS TEXAS. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * DESTIN FLORIDA WESTWARD TO EAST OF INTRACOASTAL CITY LOUISIANA... 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 100 PM CDT...1800 UTC...THE CENTER OF TROPICAL STORM LEE WAS LOCATED NEAR LATITUDE 30.4 NORTH... LONGITUDE 91.8 WEST. LEE IS MOVING TOWARD THE NORTH-NORTHEAST NEAR 8 MPH...13 KM/H. THIS GENERAL MOTION IS EXPECTED TO CONTINUE THIS AFTERNOON...FOLLOWED BY A TURN TO THE NORTHEAST TONIGHT. ON THE FORECAST TRACK...THE CENTER WILL MOVE SLOWLY OVER SOUTHERN LOUISIANA TODAY AND TONIGHT. MAXIMUM SUSTAINED WINDS REMAIN NEAR 45 MPH...75 KM/H...WITH HIGHER GUSTS. GRADUAL WEAKENING IS FORECAST DURING THE NEXT COUPLE OF DAYS. TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 275 MILES... 445 KM...MAINLY EAST AND SOUTHEAST OF THE CENTER OVER WATER. DURING THE PAST HOUR...A COASTAL MARINE OBSERVING SITE NEAR BURIS IN SOUTHEAST LOUISIANA REPORTED A SUSTAINED WIND OF 46 MPH... 74 KM/H AND A GUST TO 58 MPH...93 KM/H...ABOUT 100 FEET ABOVE THE SURFACE. SEVERAL OFFSHORE OIL RIGS ALSO CONTINUE TO REPORT SUSTAINED TROPICAL-STORM-FORCE WINDS A FEW HUNDRED FEET ABOVE THE SURFACE WELL TO THE SOUTHEAST AND SOUTH OF THE CENTER. A STORM SURGE VALUE OF MORE THAN 3 FEET RECENTLY OCCURRED JUST SOUTH OF MORGAN CITY LOUISIANA AT AMERADA PASS. REPORTS FROM SURFACE OBSERVATIONS INDICATE THE MINIMUM CENTRAL PRESSURE IS 987 MB...29.15 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 NIGHT. THESE RAINS ARE EXPECTED TO CAUSE EXTENSIVE FLOODING AND FLASH FLOODING. STORM SURGE...WATER LEVELS OF AS MUCH AS 2 TO 4 FEET ABOVE GROUND LEVEL ARE OCCURRING OVER PORTIONS OF THE LOUISIANA COAST. WATER LEVELS OF AS MUCH AS 1 TO 3 FEET ABOVE GROUND LEVEL ARE OCCURRING ALONG THE MISSISSIPPI AND ALABAMA COASTS...INCLUDING MOBILE BAY. WATER LEVELS WILL GRADUALLY SUBSIDE TONIGHT AS LEE MOVES FARTHER INLAND AND WEAKENS. WIND...TROPICAL STORM CONDITIONS ARE EXPECTED TO CONTINUE OVER PORTIONS OF THE WARNING AREA TODAY AND TONIGHT. TORNADOES...A FEW TORNADOES WILL BE POSSIBLE TODAY AND TONIGHT OVER PORTIONS OF SOUTHERN LOUISIANA...SOUTHERN MISSISSIPPI...SOUTHERN ALABAMA...THE FLORIDA PANHANDLE...AND EXTREME SOUTHWESTERN GEORGIA. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...400 PM CDT. $$ FORECASTER STEWART