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BULLETIN
HURRICANE FLOYD INTERMEDIATE ADVISORY NUMBER  20A
NATIONAL WEATHER SERVICE MIAMI FL
2 PM AST SUN SEP 12 1999

...DANGEROUS HURRICANE FLOYD HEADING FOR THE BAHAMAS...

A TROPICAL STORM WARNING IS IN EFFECT FOR THE TURKS AND CAICOS
ISLANDS AND THE SOUTHEASTERN BAHAMAS.  A HURRICANE WATCH IS IN
EFFECT FOR THE CENTRAL BAHAMAS.
 
A HURRICANE WATCH MAY BE REQUIRED FOR THE NORTHWEST BAHAMAS LATER
TODAY. INTERESTS IN THE SOUTHEAST U.S. SHOULD MONITOR THE PROGRESS
OF THIS HURRICANE.
 
AT 2 PM AST...1800Z...THE CENTER OF HURRICANE FLOYD WAS LOCATED
NEAR LATITUDE 23.2 NORTH...LONGITUDE  67.5 WEST OR ABOUT 265
MILES...425 KM...EAST-NORTHEAST OF GRAND TURK ISLAND.
 
FLOYD IS MOVING JUST NORTH OF DUE WEST NEAR 12 MPH...19 KM/HR...AND
A GENERAL WEST OR WEST-NORTHWESTWARD MOTION IS EXPECTED THROUGH
TONIGHT.
 
MAXIMUM SUSTAINED WINDS ARE TO 120 MPH...195 KM/HR...WITH HIGHER
GUSTS.  SOME ADDITIONAL STRENGTHENING IS POSSIBLE LATER TODAY.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 115 MILES...185 KM...
FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP
TO 200 MILES...325 KM.
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS  955 MB...28.20 INCHES.
 
REPEATING THE 2 PM AST POSITION...23.2 N... 67.5 W.  MOVEMENT
TOWARD...JUST NORTH OF DUE WEST NEAR 12 MPH.  MAXIMUM SUSTAINED
WINDS...120 MPH. MINIMUM CENTRAL PRESSURE... 955 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
5 PM AST.
 
FRANKLIN
 
STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE
FOUND UNDER AFOS HEADER MIASPFAT3 AND WMO HEADER WTNT73 KNHC.
 
 
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