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TROPICAL STORM DENNIS ADVISORY NUMBER   4
NATIONAL WEATHER SERVICE MIAMI FL
5 PM AST TUE AUG 24 1999

...TROPICAL STORM DENNIS REMAINS POORLY ORGANIZED...EXPECTED TO
STRENGTHEN...
 
A TROPICAL STORM WARNING IS IN EFFECT FOR THE TURKS AND CAICOS
ISLANDS AND FOR THE SOUTHEASTERN BAHAMAS AND A TROPICAL STORM WATCH
FOR THE CENTRAL BAHAMAS.  

RESIDENTS ALONG THE SOUTHEAST COAST OF THE UNITED STATES SHOULD
MONITOR THE PROGRESS OF THIS SYSTEM.
 
AT 5 PM AST...2100Z...THE POORLY ORGANIZED CENTER OF TROPICAL STORM
DENNIS WAS LOCATED NEAR LATITUDE 23.2 NORTH...LONGITUDE  71.4 WEST
OR ABOUT 125 MILES...200 KM...NORTH OF TURKS ISLAND.
 
DENNIS IS MOVING TOWARD THE WEST NORTHWEST NEAR 10 MPH...17 KM/HR
...AND THIS MOTION IS EXPECTED TO CONTINUE DURING THE NEXT 24 HOURS.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 50 MPH... 85 KM/HR...WITH HIGHER
GUSTS BUT CONFINED TO THE EAST AND NORTH OF THE CENTER.  DENNIS IS
EXPECTED TO BECOME A HURRICANE IN A DAY OR SO.
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 85 MILES
...140 KM TO THE EAST OF THE CENTER.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 1008 MB...29.77 INCHES.
 
REPEATING THE 5 PM AST POSITION...23.2 N... 71.4 W.  MOVEMENT
TOWARD...WEST NORTHWEST NEAR 10 MPH.  MAXIMUM SUSTAINED WINDS... 50
MPH.  MINIMUM CENTRAL PRESSURE...1008 MB.
 
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 8 PM AST FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 11 PM
AST.
 
AVILA
 
STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE
FOUND UNDER AFOS HEADER MIASPFAT5 AND WMO HEADER WTNT75 KNHC.
 
 
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