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HURRICANE ISIDORE ADVISORY NUMBER  28
NATIONAL WEATHER SERVICE MIAMI FL
1 AM CDT MON SEP 23 2002

...ISIDORE WEAKENING INLAND OVER NORTHWEST YUCATAN PENINSULA...
 
A HURRICANE WARNING REMAINS IN EFFECT ALONG THE GULF OF MEXICO COAST 
OF THE YUCATAN PENINSULA FROM CABO CATOCHE TO CAMPECHE.  THE 
GOVERNMENT OF MEXICO HAS ISSUED A TROPICAL STORM WARNING FOR THE 
GULF OF MEXICO COAST FROM CAMPECHE TO VERACRUZ AND HAS DISCONTINUED 
THE HURRICANE WARNING FROM CABO CATOCHE TO TULUM.

AT 1 AM CDT...0600Z...THE CENTER OF HURRICANE ISIDORE WAS LOCATED 
NEAR LATITUDE 20.6 NORTH...LONGITUDE  89.6 WEST.  THIS POSITION IS 
OVER LAND ABOUT 20 MILES...32 KM...SOUTH-SOUTHEAST OF MERIDA MEXICO.
 
ISIDORE HAS BEEN DRIFTING SOUTH-SOUTHWESTWARD NEAR  5 MPH... 7 KM/HR 
...AND A TURN TOWARD THE WEST IS EXPECTED...BRINGING THE CENTER BACK 
OVER THE GULF OF MEXICO LATER TODAY.
 
MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 80 MPH...125 KM/HR... 
WITH HIGHER GUSTS.  ADDITIONAL WEAKENING IS LIKELY WHILE THE 
CENTER REMAINS OVER LAND...BUT ISIDORE IS EXPECTED TO BEGIN TO 
RE-STRENGTHEN WHEN IT MOVES BACK OVER WATER.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO  35 MILES...55 KM...
FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP
TO 230 MILES...370 KM.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS  954 MB...28.17 INCHES.
 
VERY HEAVY RAINS ARE AFFECTING THE YUCATAN PENINSULA AND OTHER 
PORTIONS OF EASTERN MEXICO.  RAINFALL AMOUNTS OF 10 TO 20 INCHES ARE 
LIKELY.  

COASTAL STORM SURGE FLOODING OF 4 TO 8 FEET ABOVE NORMAL TIDE 
LEVELS ALONG WITH BATTERING WAVES CONTINUES IN AREAS OF ONSHORE 
WINDS OVER THE NORTHWEST YUCATAN PENINSULA.  ONSHORE WINDS WILL 
PRODUCE STORM SURGE FLOODING OF 2 TO 4 FEET ABOVE NORMAL ELSEWHERE 
ALONG THE COAST OF MEXICO FROM CAMPECHE WESTWARD TO NEAR VERACRUZ. 

REPEATING THE 1 AM CDT POSITION...20.6 N... 89.6 W.  MOVEMENT
TOWARD...SOUTH-SOUTHWEST NEAR  5 MPH.  MAXIMUM SUSTAINED
WINDS...80 MPH.  MINIMUM CENTRAL PRESSURE... 954 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 LAWRENCE
 
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