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TROPICAL STORM DEBBY FORECAST/ADVISORY NUMBER  18
NATIONAL WEATHER SERVICE MIAMI FL   AL0700
0300Z THU AUG 24 2000
 
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.
 
TROPICAL STORM CENTER LOCATED NEAR 20.0N  74.0W AT 24/0300Z
POSITION ACCURATE WITHIN  30 NM
 
PRESENT MOVEMENT TOWARD THE WEST OR 270 DEGREES AT 14 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE 1008 MB
MAX SUSTAINED WINDS  40 KT WITH GUSTS TO  50 KT.
34 KT.......100NE   0SE   0SW 100NW.
12 FT SEAS..300NE   0SE   0SW 300NW.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT.  RADII IN NAUTICAL
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.
 
REPEAT...CENTER LOCATED NEAR 20.0N  74.0W AT 24/0300Z
AT 24/0000Z CENTER WAS LOCATED NEAR 19.9N  73.3W
 
FORECAST VALID 24/1200Z 20.0N  76.0W
MAX WIND  30 KT...GUSTS  40 KT.
 
FORECAST VALID 25/0000Z 20.5N  78.0W
MAX WIND  30 KT...GUSTS  40 KT.
 
FORECAST VALID 25/1200Z 21.5N  80.0W
MAX WIND  35 KT...GUSTS  45 KT.
34 KT...100NE   0SE   0SW 100NW.
 
STORM SURGE FLOODING OF 1 TO 3 FEET ABOVE NORMAL TIDE LEVELS...
WITH DANGEROUS BATTERING WAVES...IS EXPECTED OVER PORTIONS OF THE
WARNED AREA.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 20.0N  74.0W
 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE
 
OUTLOOK VALID 26/0000Z 23.0N  81.5W
MAX WIND  35 KT...GUSTS  45 KT.
 
OUTLOOK VALID 27/0000Z 26.0N  83.5W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 25NE  25SE  25SW  25NW.
 
NEXT ADVISORY AT 24/0900Z
 
FORECASTER AVILA
 
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