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HURRICANE DEBBY INTERMEDIATE ADVISORY NUMBER  12A
NATIONAL WEATHER SERVICE MIAMI FL
1 PM AST TUE AUG 22 2000

...DEBBY NEAR THE NORTHEAST COAST OF PUERTO RICO...
 
A HURRICANE WARNING IS IN EFFECT FOR THE SOUTHEAST BAHAMAS...
AND ALSO FOR THE TURKS AND CAICOS ISLANDS.
 
A HURRICANE WARNING REMAINS IN EFFECT FOR ANGUILLA...THE BRITISH AND
U.S. VIRGIN ISLANDS...PUERTO RICO AND ITS SURROUNDING ISLANDS...AND
FOR THE NORTH COAST OF THE DOMINICAN REPUBLIC.
 
A HURRICANE WATCH IS IN EFFECT FOR THE CENTRAL BAHAMAS...AND FOR
HAITI NORTH OF PORT AU PRINCE.
 
AT 1 PM AST...1700Z...THE CENTER OF HURRICANE DEBBY WAS LOCATED NEAR
LATITUDE 18.7 NORTH...LONGITUDE  65.2 WEST OR ABOUT 55 MILES...
90 KM...EAST-NORTHEAST OF SAN JUAN PUERTO RICO.
 
DEBBY IS MOVING TOWARD THE WEST-NORTHWEST NEAR 22 MPH...35 KM/HR...
AND THIS MOTION IS EXPECTED TO CONTINUE THROUGH TONIGHT.  ON THIS
TRACK...THE CENTER OF DEBBY WILL PASS JUST NORTH OF THE NORTHEAST
COAST OF PUERTO RICO THIS AFTERNOON AND TONIGHT.  DUE TO ITS LARGE
SIZE...THE EFFECTS OF DEBBY COULD BE FELT OVER ALL OF PUERTO RICO.
 
MAXIMUM SUSTAINED WINDS ARE NEAR  75 MPH...120 KM/HR...WITH HIGHER
GUSTS.  STRONGEST WINDS ARE LIKELY TO THE TO OCCUR OVER HIGHER
TERRAIN.  SOME STRENGTHENING IS FORECAST DURING THE NEXT 24 HOURS.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO  25 MILES... 35 KM...
FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP
TO 175 MILES...280 KM.
 
RECONNAISSANCE AIRCRAFT RECENTLY REPORTED A MINIMUM CENTRAL PRESSURE
OF  999 MB...29.50 INCHES. 

STORM SURGE FLOODING OF 1 TO 3 FEET ABOVE NORMAL TIDE LEVELS...WITH
DANGEROUS BATTERING WAVES...IS EXPECTED OVER PORTIONS OF THE WARNED
AREAS.

RAINFALL TOTALS OF 4 TO 6 INCHES...AND AS HIGH AS 10 INCHES OVER
MOUNTAINOUS AREAS...ARE EXPECTED NEAR THE PATH OF THE HURRICANE. 
THESE RAINS COULD CAUSE LIFE-THREATENING FLASH FLOODS AND MUD
SLIDES.
 
REPEATING THE 1 PM AST POSITION...18.7 N... 65.2 W.  MOVEMENT
TOWARD...WEST-NORTHWEST NEAR 22 MPH.  MAXIMUM SUSTAINED
WINDS... 75 MPH.  MINIMUM CENTRAL PRESSURE... 999 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 3 PM AST FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 5 PM
AST.
 
FORECASTER STEWART
 
 



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