Post by Nws Olney Maryland on Sept 4, 2011 10:18:21 GMT -5
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.
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.