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TROPICAL STORM DENNIS INTERMEDIATE ADVISORY NUMBER  3A
NATIONAL WEATHER SERVICE MIAMI FL
2 PM AST TUE AUG 24 1999

...AIR FORCE RECONNAISSANCE PLANE FINDS THE FOURTH TROPICAL STORM OF
THE 1999 SEASON...
 
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.
  
DENNIS IS STILL IN FORMATIVE STAGE AND IT DOES NOT HAVE A WELL
DEFINED CENTER.   AT 2 PM AST...1800Z...IT WAS ESTIMATED NEAR
LATITUDE 22.7 NORTH...LONGITUDE  71.2 WEST OR ABOUT 85 MILES...140
KM...NORTH OF THE TURKS ISLAND.
 
DENNIS APPEARS TO BE MOVING TOWARD THE WEST NORTHWEST NEAR 9 MPH
...15 KM/HR...AND THIS MOTION IS EXPECTED TO CONTINUE DURING
THE NEXT 24 HOURS.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 45 MPH... 90 KM/HR...BUT CONFINED
TO THE EAST AND NORTH OF THE CENTER.  A GRADUAL STRENGTHENING IS
EXPECTED TODAY AND WEDNESDAY.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 1008 MB...29.77 INCHES.
 
REPEATING THE 2 PM AST POSITION...22.7 N... 71.2 W.  MOVEMENT
TOWARD...WEST NORTHWEST NEAR  9 MPH.  MAXIMUM SUSTAINED WINDS...
45 MPH.  MINIMUM CENTRAL PRESSURE...1008 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
5 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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