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TROPICAL STORM FLOYD INTERMEDIATE ADVISORY NUMBER 10A
NATIONAL WEATHER SERVICE MIAMI FL
2 AM AST FRI SEP 10 1999

...FLOYD LIKELY TO BECOME A HURRICANE LATER TODAY...

...A TROPICAL STORM WATCH IS IN EFFECT FOR THE FOLLOWING CARIBBEAN
ISLANDS...ANTIGUA...BARBUDA...ANGUILLA...AND DUTCH SAINT MAARTEN...
FRENCH SAINT MARTIN AND SAINT BARTHELEMY.
 
ALL INTERESTS IN THE NORTHEASTERN CARIBBEAN SHOULD MONITOR THE
PROGRESS OF FLOYD.
 
AT 2 AM AST...0600Z...THE CENTER OF TROPICAL STORM FLOYD WAS
LOCATED NEAR LATITUDE 18.4 NORTH...LONGITUDE 58.4 WEST OR ABOUT 230
MILES...365 KM...EAST OF BARBUDA IN THE LEEWARD ISLANDS.
 
FLOYD IS MOVING TOWARD THE WEST-NORTHWEST NEAR 10 MPH...17
KM/HR...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE TODAY.
ON THIS TRACK...THE CENTER OF FLOYD WOULD PASS NORTH OF THE LEEWARD
ISLANDS.  HOWEVER...ANY DEVIATION TO THE LEFT WOULD BRING TROPICAL
STORM CONDITIONS TO THE NORTHERNMOST ISLANDS OF THE NORTHEASTERN
CARIBBEAN. 

MAXIMUM SUSTAINED WINDS REMAIN NEAR 70 MPH...110 KM/HR...WITH HIGHER
GUSTS.   SOME STRENGTHENING IS EXPECTED DURING THE NEXT 24 HOURS.
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175 MILES...280 KM
FROM THE CENTER.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 995 MB...29.38 INCHES.
 
REPEATING THE 2 AM AST POSITION...18.4 N... 58.4 W.  MOVEMENT
TOWARD...WEST-NORTHWEST NEAR 10 MPH.  MAXIMUM SUSTAINED WINDS...
70 MPH.  MINIMUM CENTRAL PRESSURE... 995 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
5 AM AST.
 
PASCH
 
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