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HURRICANE ISIDORE INTERMEDIATE ADVISORY NUMBER  20A
NATIONAL WEATHER SERVICE MIAMI FL
2 AM EDT SAT SEP 21 2002
 
...CENTER OF ISIDORE MOVES OVER SOUTHEASTERN GULF OF MEXICO...WINDS 
AND RAINS CONTINUE OVER WESTERN CUBA...    
 
A HURRICANE WARNING REMAINS IN EFFECT FOR THE WESTERN CUBA PROVINCES
OF MATANZAS...CIUDAD DE LA HABANA...LA HABANA AND PINAR DEL
RIO...INCLUDING THE ISLE OF YOUTH.
 
A TROPICAL STORM WARNING AND A HURRICANE WATCH REMAIN IN EFFECT FROM
PROGRESSO TO TULUM ON THE YUCATAN PENINSULA...INCLUDING THE ISLAND
OF COZUMEL.

AT 2 AM EDT...0600Z...THE CENTER OF HURRICANE ISIDORE WAS LOCATED 
NEAR LATITUDE 22.3 NORTH...LONGITUDE  85.1 WEST OR ABOUT 30 
MILES...55 KM...NORTH-NORTHWEST OF CABO SAN ANTONIO ON THE WESTERN 
TIP OF 
CUBA.

ISIDORE HAS BEEN DRIFTING TOWARD THE WEST-NORTHWEST AND IS EXPECTED 
TO CONTINUE MOVING IN THIS DIRECTION AT 7 MPH...11 KM/HR...DURING 
THE NEXT 24 HOURS.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 100 MPH...160 KM/HR...WITH
HIGHER GUSTS.  WIND SPEEDS ARE DECREASING OVER CUBA...BUT ARE STILL 
NEAR HURRICANE FORCE OVER EXTREME WESTERN CUBA ON THE GUANA 
HACABIBES PENINSULA.  STRENGTHENING IS FORECAST DURING THE NEXT 24 
HOURS 
AND ISIDORE COULD BECOME A MAJOR HURRICANE IN THE GULF OF MEXICO.

HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 35 MILES...55 KM...
FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP
TO 145 MILES...230 KM.
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS  964 MB...28.47 INCHES.

ALTHOUGH THE CENTER OF ISIDORE IS BEGINNING TO MOVE AWAY FROM 
CUBA...EXTREMELY HEAVY RAINFALL AMOUNTS...UP T0 20 TO 30 
INCHES...ARE STILL POSSIBLE OVER PORTIONS OF WESTERN CUBA.

COASTAL STORM SURGE FLOODING OF 8 TO 12 FEET ABOVE NORMAL TIDE 
LEVELS...ALONG WITH LARGE AND DANGEROUS BATTERING WAVES...ARE 
EXPECTED TO GRADUALLY DIMINISH TODAY.
 
REPEATING THE 2 AM EDT POSITION...22.3 N... 85.1 W.  MOVEMENT
TOWARD...NORTHWEST NEAR  7 MPH.  MAXIMUM SUSTAINED
WINDS...100 MPH.  MINIMUM CENTRAL PRESSURE... 964 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 5 AM EDT.

FORECASTER LAWRENCE

 
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