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TROPICAL STORM ISIDORE ADVISORY NUMBER  30
NATIONAL WEATHER SERVICE MIAMI FL
10 AM CDT MON SEP 23 2002

...ISIDORE MEANDERING OVER THE YUCATAN PENINSULA OF MEXICO...
 
AT 10 AM CDT...1500 UTC...THE GOVERNMENT OF MEXICO HAS CHANGED
THE HURRICANE WARNING FROM CABO CATOCHE TO CAMPECHE TO A TROPICAL
STORM WARNING.  A TROPICAL STORM WARNING IS NOW IN EFFECT ALONG
THE GULF COAST OF MEXICO FROM CABO CATOCHE TO VERACRUZ.
 
AT 10 AM CDT...1500Z...THE CENTER OF TROPICAL STORM ISIDORE WAS
LOCATED NEAR LATITUDE 20.1 NORTH...LONGITUDE  89.5 WEST OR ABOUT
55 MILES...100 KM...SOUTH OF MERIDA MEXICO.
 
ISIDORE IS CURRENTLY DRIFTING EASTWARD.  A SLOW NORTHWESTWARD
MOTION IS EXPECTED TO BEGIN LATER TODAY OR TONIGHT.  THIS MOTION
WILL KEEP THE CENTER OVER THE NORTHWESTERN YUCATAN PENINSULA
TODAY...POSSIBLY EMERGING OVER THE GULF OF MEXICO TONIGHT.
 
MAXIMUM SUSTAINED WINDS HAVE DECREASED NEAR  65 MPH...100 KM/HR...
WITH HIGHER GUSTS.  FURTHER WEAKENING IS FORECAST WHILE THE CENTER
REMAINS OVER LAND.  HOWEVER...ISIDORE IS LIKELY TO STRENGTHEN AGAIN
WHEN THE CENTER REACHES THE GULF OF MEXICO.
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 200 MILES
...325 KM FROM THE CENTER.
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS  960 MB...28.35 INCHES.

VERY HEAVY RAINS ARE AFFECTING THE YUCATAN PENINSULA...OTHER 
PORTIONS OF EASTERN MEXICO...AND THE NORTHERN PORTIONS OF GUATEMALA
AND BELIZE.  ADDITIONAL RAINFALL AMOUNTS OF 10 TO 15 INCHES ARE 
LIKELY.  

COASTAL STORM SURGE FLOODING OF 4 TO 6 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.
TIDES ARE RUNNING 1 TO 2 FEET ABOVE NORMAL ALONG MUCH OF THE
REMAINDER OF THE GULF COAST...AND THIS COMBINED WITH LARGE SWELLS
GENERATED BY ISIDORE MAY CAUSE SOME COASTAL FLOODING AND BEACH
EROSION.

LARGE SWELLS GENERATED BY ISIDORE ARE AFFECTING MUCH OF THE 
REMAINDER OF THE COASTS OF THE GULF OF MEXICO.

REPEATING THE 10 AM CDT POSITION...20.1 N... 89.5 W.  MOVEMENT
TOWARD...DRIFTING EASTWARD.  MAXIMUM SUSTAINED
WINDS... 65 MPH.  MINIMUM CENTRAL PRESSURE... 960 MB.
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR
PRODUCTS ISSUED BY YOUR LOCAL WEATHER OFFICE.
 
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL
HURRICANE CENTER AT 1 PM CDT FOLLOWED BY THE NEXT
COMPLETE ADVISORY AT 4 PM CDT.
 
FORECASTER BEVEN
 
 
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