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HURRICANE ISIDORE INTERMEDIATE ADVISORY NUMBER  26A
NATIONAL WEATHER SERVICE MIAMI FL
1 PM CDT SUN SEP 22 2002

...MAJOR HURRICANE ISIDORE JUST SKIRTING THE NORTHERN 
YUCATAN COAST...COULD STILL BECOME A CATEGORY 4 STORM...
 
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 1 PM CDT...1800Z...THE CENTER OF MAJOR HURRICANE ISIDORE WAS 
LOCATED NEAR LATITUDE 21.7 NORTH...LONGITUDE  88.9 WEST OR ABOUT 
15 MILES...25 KM...NORTH OF THE NORTH CENTRAL COAST OF THE YUCATAN 
PENINSULA. THIS IS ALSO ABOUT 60 MILES...95 KM...EAST-NORTHEAST 
OF PROGRESO MEXICO.
 
ISIDORE IS MOVING TOWARD THE WEST-SOUTHWEST NEAR  8 MPH
...13 KM/HR...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE FOR 
THE NEXT 24 HOURS. ON THIS TRACK...THE CENTER OF ISIDORE IS EXPECTED 
TO REMAIN JUST OFFSHORE THE NORTH COAST OF THE YUCATAN PENINSULA. 
HOWEVER...STRONG WINDS ON THE SOUTH SIDE OF THE EYE HAVE ALREADY 
MOVED ONSHORE.
 
MAXIMUM SUSTAINED WINDS REMAIN NEAR 125 MPH...205 KM/HR...WITH 
HIGHER GUSTS.  SOME SLIGHT STRENGTHENING IS POSSIBLE DURING THE NEXT
24 HOURS...IF THE CENTER REMAINS OFFSHORE...AND ISIDORE COULD STILL 
BECOME A CATEGORY 4 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 ESTIMATED MINIMUM CENTRAL PRESSURE IS  934 MB...27.58 INCHES.
 
SOME HEAVY RAIN IS STILL POSSIBLE OVER PORTIONS OF WESTERN CUBA AND 
THE ISLE OF YOUTH AS STRONG SQUALLS MOVE ACROSS THIS AREA.  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.  HAM RADIO REPORTS INDICATE SOME COASTAL FLOODING AND 
DAMAGE TO HOMES HAVE ALREADY OCCURRED NEAR MERIDA AND CHELEM ON THE 
NORTHWEST YUCATAN COAST.
 
REPEATING THE 1 PM CDT POSITION...21.7 N... 88.9 W.  MOVEMENT
TOWARD...WEST-SOUTHWEST NEAR  8 MPH.  MAXIMUM SUSTAINED
WINDS...125 MPH.  MINIMUM CENTRAL PRESSURE... 934 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 PM CDT. 
 
FORECASTER STEWART
 
 
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