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TROPICAL STORM ISIDORE INTERMEDIATE ADVISORY NUMBER  40A
NATIONAL WEATHER SERVICE MIAMI FL
1 AM CDT THU SEP 26 2002

...ISIDORE VERY NEAR SOUTHEAST LOUISIANA COAST...BRINGING 
TORRENTIAL RAINS...

A HURRICANE WATCH REMAINS IN EFFECT ALONG THE NORTHERN GULF COAST
FROM CAMERON LOUISIANA TO PASCAGOULA MISSISSIPPI.
 
A TROPICAL STORM WARNING REMAINS IN EFFECT FROM EAST OF HIGH ISLAND
TEXAS TO ST. MARKS FLORIDA.
 
INTERESTS ELSEWHERE ALONG THE NORTHERN COAST OF THE GULF OF MEXICO
SHOULD MONITOR THE PROGRESS OF ISIDORE.
 
AT 1 AM CDT...0600Z...THE CENTER OF TROPICAL STORM ISIDORE WAS
LOCATED NEAR LATITUDE 29.0 NORTH...LONGITUDE 90.1 WEST OR ABOUT 75
MILES...SOUTH OF NEW ORLEANS LOUISIANA...AND VERY NEAR THE SOUTHEAST
LOUISIANA COAST.

ISIDORE IS MOVING TOWARD THE NORTH NEAR 13 MPH...AND A GENERALLY 
NORTHWARD MOTION IS EXPECTED FOR THE NEXT 12 TO 24 HOURS.  ON THIS 
TRACK...THE CENTER WILL MOVE OVER OR NEAR THE SOUTHEAST LOUISIANA 
COAST IN A FEW HOURS.
 
MAXIMUM SUSTAINED WINDS REMAIN NEAR 65 MPH...WITH HIGHER GUSTS.  
SLIGHT STRENGTHENING IS POSSIBLE BEFORE LANDFALL AND SOME LOCATIONS 
TO THE EAST OF THE CENTER MAY EXPERIENCE GUSTS TO HURRICANE FORCE.
 
ISIDORE IS A LARGE STORM WITH A CIRCULATION THAT COVERS MUCH OF THE 
GULF OF MEXICO.  TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 345 
MILES FROM THE CENTER.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS  987 MB...29.15 INCHES.

RAINFALL TOTALS OF 10 TO 12 INCHES HAVE BEEN REPORTED IN THE NEW
ORLEANS AREA.  STORM TOTAL ACCUMULATIONS OF 10 TO 20 INCHES WILL
CONTINUE SPREADING OVER THE SOUTHEASTERN UNITED STATES.  HEAVY RAINS
WILL ALSO SPREAD NORTHWARD INTO THE TENNESSEE AND OHIO VALLEYS.
THESE RAINS COULD CAUSE LIFE-THREATENING FLOODS.

COASTAL STORM SURGE FLOODING OF 3 TO 6 FEET ABOVE NORMAL TIDE 
LEVELS...WITH HIGHER LEVELS IN BAYS...ALONG WITH BATTERING 
WAVES...CAN BE EXPECTED WITHIN THE TROPICAL STORM WARNING AREA TO 
THE EAST OF THE CENTER.

ISOLATED TORNADOES ARE POSSIBLE FROM SOUTHEAST LOUISIANA TO THE 
WESTERN FLORIDA PANHANDLE TONIGHT AND EARLY THURSDAY.

REPEATING THE 10 PM CDT POSITION...29.0 N... 90.1 W.  MOVEMENT
TOWARD...NORTH NEAR 13 MPH.  MAXIMUM SUSTAINED
WINDS... 65 MPH.  MINIMUM CENTRAL PRESSURE... 987 MB.
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR
PRODUCTS ISSUED BY YOUR LOCAL WEATHER OFFICE.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
4 AM CDT.

FORECASTER AVILA
 
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