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TROPICAL STORM DEBBY ADVISORY NUMBER  18
NATIONAL WEATHER SERVICE MIAMI FL
11 PM EDT WED AUG 23 2000

...WEAKENING DEBBY ABOUT TO MOVE OVER EASTERN CUBA...
 
A TROPICAL STORM WARNING IS IN EFFECT FOR THE NORTH COAST OF CUBA
FOR THE PROVINCES OF GUANTANAMO...HOLGUIN...AND LAS TUNAS...BUT WILL
LIKELY BE DISCONTINUED EARLY THURSDAY.
 
AT 11 PM EST...0300 UTC...THE GOVERNMENT OF THE BAHAMAS HAS
DISCONTINUED THE TROPICAL STORM WARNING FOR THE TURKS AND CAICOS
ISLANDS.  A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE CENTRAL
AND SOUTHEAST BAHAMAS.
 
A TROPICAL STORM WATCH REMAINS IN EFFECT FOR CUBA FOR THE PROVINCES
OF CAMAGUEY...CIEGO DE AVILA...SANTIAGO DE CUBA...AND GRANMA.  THIS
WATCH COULD BE SHIFTED WESTWARD ON THURSDAY.
 
AT 11 PM EDT...0300 UTC...THE TROPICAL STORM WARNING FOR HAITI
IS DISCONTINUED.
 
AT 11 PM EDT...0300Z...THE POORLY-DEFINED CENTER OF TROPICAL STORM
DEBBY WAS LOCATED NEAR LATITUDE 20.0 NORTH...LONGITUDE  74.0 WEST
OR OVER THE WINDWARD PASSAGE NEAR THE EASTERN TIP OF CUBA.

DEBBY IS MOVING TOWARD THE WEST NEAR 16 MPH...26 KM/HR...AND THIS
GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE NEXT 24 HOURS.  ON
THIS TRACK THE CENTER WILL BE MOVING OVER EASTERN CUBA OVERNIGHT AND
EARLY THURSDAY.

MAXIMUM SUSTAINED WINDS ARE NEAR  45 MPH... 75 KM/HR...WITH HIGHER
GUSTS.  FURTHER WEAKENING IS LIKELY AS THE SYSTEM INTERACTS WITH THE
MOUNTAINOUS TERRAIN OF EASTERN CUBA DURING THE NEXT 12 TO 24 HOURS.
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 115 MILES
...185 KM FROM THE CENTER.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 1008 MB...29.77 INCHES.
 
STORM SURGE FLOODING OF 1 TO 3 FEET ABOVE NORMAL TIDE LEVELS...WITH
DANGEROUS BATTERING WAVES...IS EXPECTED OVER PORTIONS OF THE WARNING
AREAS.
 
RAINFALL TOTALS OF 4 TO 6 INCHES AND AS HIGH AS 10 TO 15 INCHES OVER
MOUNTAINOUS AREAS ARE ASSOCIATED WITH DEBBY.  THESE RAINS COULD
CAUSE LIFE-THREATENING FLASH FLOODS AND MUDSLIDES.  HEAVY RAINS ARE
CURRENTLY AFFECTING PORTIONS OF THE DOMINICAN REPUBLIC AND HAITI...
AND ARE EXPECTED TO SPREAD INTO EASTERN CUBA ON THURSDAY.
 
REPEATING THE 11 PM EDT POSITION...20.0 N... 74.0 W.  MOVEMENT
TOWARD...WEST NEAR 16 MPH.  MAXIMUM SUSTAINED WINDS... 45 MPH. 
MINIMUM CENTRAL PRESSURE...1008 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 2 AM EDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 5 AM
EDT...THURSDAY.
 
FORECASTER AVILA
 
 
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