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HURRICANE ISIDORE INTERMEDIATE ADVISORY NUMBER  27A
NATIONAL WEATHER SERVICE MIAMI FL
7 PM CDT SUN SEP 22 2002

...EYE OF HURRICANE ISIDORE HAS MOVED INLAND OVER EXTREME NORTHERN 
YUCATAN...
 
A HURRICANE WARNING REMAINS IN EFFECT ALONG THE GULF OF MEXICO AND
CARIBBEAN COASTS OF THE YUCATAN PENINSULA FROM CAMPECHE NORTH AND
EASTWARD TO TULUM...INCLUDING THE ISLAND OF COZUMEL.
 
AT 7 PM CDT...0000Z...THE CENTER OF HURRICANE ISIDORE WAS 
LOCATED NEAR LATITUDE 21.0 NORTH...LONGITUDE  89.4 WEST OR ABOUT 20 
MILES...30 KM...EAST OF MERIDA MEXICO.
 
THE EYE OF ISIDORE HAS BEEN MOVING TOWARD THE SOUTHWEST NEAR  8 
MPH...13 KM/HR...OVER THE PAST FEW HOURS.  A SLOW WEST-SOUTHWESTWARD 
MOTION IS EXPECTED FOR THE NEXT 24 HOURS.  ON THIS TRACK...THE 
CENTER OF ISIDORE WILL REMAIN OVER THE NORTHWEST YUCATAN PENINSULA 
AT LEAST THROUGH EARLY MONDAY.

MAXIMUM SUSTAINED WINDS ARE NEAR 120 MPH...195 KM/HR...WITH HIGHER
GUSTS.  SOME WEAKENING IS LIKELY AS LONG AS THE CENTER OF THE 
HURRICANE REMAINS OVER LAND.  MERIDA MEXICO RECENTLY REPORTED WIND 
GUSTS TO 78 MPH...126 KM/HR.

HURRICANE FORCE WINDS EXTEND OUTWARD UP TO  50 MILES... 85 KM...
FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP
TO 230 MILES...370 KM.
 
AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT REPORTED A MINIMUM 
CENTRAL PRESSURE OF  940 MB...27.76 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 8 TO 12 FEET ABOVE NORMAL TIDE 
LEVELS ALONG WITH BATTERING WAVES ARE LIKELY IN AREAS OF ONSHORE 
WINDS OVER NORTHWEST YUCATAN. 

REPEATING THE 7 PM CDT POSITION...21.0 N... 89.4 W.  MOVEMENT
TOWARD...SOUTHWEST NEAR  8 MPH.  MAXIMUM SUSTAINED
WINDS...120 MPH.  MINIMUM CENTRAL PRESSURE... 940 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 10 PM CDT.
 
FORECASTER PASCH
 
 
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