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HURRICANE ISIDORE INTERMEDIATE ADVISORY NUMBER  25A
NATIONAL WEATHER SERVICE MIAMI FL
7 AM CDT SUN SEP 22 2002

...ISIDORE MOVES NEAR THE YUCATAN PENINSULA WITH 125 MPH WINDS...
 
A HURRICANE WARNING IS IN EFFECT ON THE YUCATAN PENINSULA OF MEXICO 
FROM CAMPECHE NORTH AND EASTWARD TO TULUM...INCLUDING THE ISLAND OF 
COZUMEL.
 
A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE WESTERN CUBA
PROVINCE OF PINAR DEL RIO...INCLUDING THE ISLE OF YOUTH.
 
AT 7 AM CDT...1200Z...THE CENTER OF HURRICANE ISIDORE WAS LOCATED 
NEAR LATITUDE 21.9 NORTH...LONGITUDE  88.2 WEST.  THIS POSITION IS 
ABOUT 25 MILES...35 KM...NORTH OF THE NORTHERN COAST OF THE YUCATAN 
PENINSULA. THIS IS ALSO ABOUT 105 MILES...170 KM...EAST-NORTHEAST 
OF PROGRESO MEXICO.
 
ISIDORE HAS BEEN MOVING WESTWARD NEAR  7 MPH...11 KM/HR.  A SLIGHT 
TURN TOWARD THE WEST-SOUTHWEST AT ABOUT THE SAME FORWARD SPEED IS 
POSSIBLE LATER TODAY.  ON THIS TRACK...THE CENTER WILL COME VERY 
CLOSE TO THE NORTH COAST OF THE YUCATAN PENINSULA AND MAY MOVE 
ONSHORE...BRINGING THE CORE OF THE HURRICANE AND THE STRONGEST WINDS 
WITH IT.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 125 MPH...205 KM/HR...WITH HIGHER
GUSTS.  SOME STRENGTHENING IS FORECAST DURING THE NEXT 24 HOURS AND 
ISIDORE COULD BECOME A CATEGORY FOUR HURRICANE LATER TODAY.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO  50 MILES... 85 KM...
FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP
TO 200 MILES...325 KM.
 
THE LATEST MINIMUM CENTRAL PRESSURE MEASURED BY RECONNAISSANCE 
AIRCRAFT IS 935 MB...27.61 INCHES.

SOME HEAVY RAIN IS STILL POSSIBLE OVER PORTIONS OF WESTERN CUBA AND 
THE ISLE OF YOUTH.  VERY HEAVY RAIN IS ALSO AFFECTING THE NORTHERN 
PORTION OF THE YUCATAN PENINSULA AND RAINFALL AMOUNTS OF 10 TO 20 
INCHES ARE LIKELY.

COASTAL STORM SURGE FLOODING ALONG THE NORTH COAST OF THE YUCATAN 
PENINSULA IS EXPECTED TO REACH 2 TO 5 FEET ABOVE NORMAL TIDE LEVELS 
ALONG WITH BATTERING WAVES.  STORM SURGE FLOODING COULD INCREASE TO 
8 TO 12 FEET ABOVE NORMAL...IF...AND WHERE...THE CENTER MOVES 
ONSHORE.
  
REPEATING THE 7 AM CDT POSITION...21.9 N... 88.2 W.  MOVEMENT
TOWARD...WEST NEAR  7 MPH.  MAXIMUM SUSTAINED WINDS...125 MPH.  
MINIMUM CENTRAL PRESSURE... 935 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 AM CDT.
 
FORECASTER STEWART
 
 
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