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BULLETIN
HURRICANE GERT ADVISORY NUMBER  23
NATIONAL WEATHER SERVICE MIAMI FL
11 PM AST THU SEP 16 1999
 
...THREAT TO THE LEEWARD ISLANDS LESSENS...

AT 11 PM AST...0300Z...THE CENTER OF HURRICANE GERT WAS LOCATED NEAR
LATITUDE 19.4 NORTH...LONGITUDE  54.6 WEST OR ABOUT 1095 MILES...
1760 KM...SOUTH-SOUTHEAST OF BERMUDA.
 
GERT IS MOVING TOWARD THE WEST NORTHWEST NEAR 10 MPH...17KM/HR.  A
TURN TO THE NORTHWEST IS EXPECTED TOMORROW.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 135 MPH...215 KM/HR...WITH HIGHER
GUSTS.  SOME FLUCTUATIONS IN INTENSITY ARE LIKELY OVER THE NEXT 24
HOURS.
 
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  941 MB...27.79 INCHES.
 
REPEATING THE 11 PM AST POSITION...19.4 N... 54.6 W.  MOVEMENT
TOWARD...WEST NORTHWEST NEAR 10 MPH.  MAXIMUM SUSTAINED
WINDS...135 MPH.  MINIMUM CENTRAL PRESSURE... 941 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL
HURRICANE CENTER AT 5 AM AST...FRIDAY.
 
FRANKLIN
 
STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE
FOUND UNDER AFOS HEADER MIASPFAT4 AND WMO HEADER WTNT74 KNHC.
 
 
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