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TROPICAL STORM DEAN ADVISORY NUMBER   4
NATIONAL WEATHER SERVICE MIAMI FL
5 AM AST THU AUG 23 2001

...DEAN REMAINS POORLY-ORGANIZED BUT STILL PRODUCING HEAVY RAINFALL 
ACROSS PUERTO RICO AND THE DOMINICAN REPUBLIC...
 
A TROPICAL STORM WARNING IS IN EFFECT FOR THE SOUTHEASTERN BAHAMAS
INCLUDING ACKLINS ISLAND...CROOKED ISLAND...THE INAGUAS...
MAYAGUANA...AND THE RAGGED ISLANDS...AS WELL AS FOR THE TURKS AND
CAICOS ISLANDS.  A TROPICAL STORM WATCH IS IN EFFECT FOR THE CENTRAL
BAHAMAS INCLUDING CAT ISLAND...THE EXUMAS...LONG ISLAND...RUM
CAY...AND SAN SALVADOR.
 
AT 5 AM AST...0900Z...THE POORLY-DEFINED CENTER OF TROPICAL STORM 
DEAN WAS LOCATED NEAR LATITUDE 21.1 NORTH...LONGITUDE  69.5 WEST OR 
ABOUT 110 MILES...175 KM...EAST-SOUTHEAST OF GRAND TURK.  THIS IS 
ALSO ABOUT 295 MILES...475 KM...NORTHWEST OF SAN JUAN PUERTO RICO.
 
DEAN IS MOVING TOWARD THE WEST-NORTHWEST NEAR 17 MPH...28 KM/HR... 
AND THIS MOTION IS EXPECTED TO CONTINUE WITH SOME DECREASE IN 
FORWARD SPEED DURING THE NEXT 24 HOURS.  ON THIS TRACK...THE CENTER 
OF DEAN WOULD BE NEAR THE TURKS AND CAICOS ISLANDS AND THE 
SOUTHEASTERN BAHAMAS LATER TODAY. HOWEVER...THERE MAY SOME ERRATIC 
MOTION TODAY DUE TO THE CIRCULATION BEING DISORGANIZED.
 
MAXIMUM SUSTAINED WINDS REMAIN NEAR  60 MPH... 95 KM/HR...WITH 
HIGHER GUSTS.  LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE 
NEXT 24 HOURS.
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175 MILES
...280 KM...MAINLY EAST OF THE CENTER.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 1010 MB...29.83 INCHES.

RAINBANDS TRAILING DEAN WILL CONTINUE TO PRODUCE HEAVY RAINFALL... 
WITH ADDITIONAL ACCUMULATIONS OF 2 TO 4 INCHES...LOCALIZED FLOODING 
AND GUSTY WINDS OVER PUERTO RICO AND EXTREME EASTERN PORTIONS OF THE 
DOMINICAN REPUBLIC.

ISOLATED TORNADOES AND WATERSPOUTS MAY OCCUR OVER PUERTO RICO
AND THE ADJACENT WATERS TODAY.
 
REPEATING THE 5 AM AST POSITION...21.1 N... 69.5 W.  MOVEMENT
TOWARD...WEST-NORTHWEST NEAR 17 MPH.  MAXIMUM SUSTAINED
WINDS... 60 MPH.  MINIMUM CENTRAL PRESSURE...1010 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 8 AM AST FOLLOWED BY THE NEXT
COMPLETE ADVISORY AT 11 AM AST.
 
FORECASTER STEWART
 
 
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