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BULLETIN
HURRICANE GERT ADVISORY NUMBER  22
NATIONAL WEATHER SERVICE MIAMI FL
5 PM AST THU SEP 16 1999
 
...GERT BEGINNING TO TURN AWAY FROM THE LEEWARD ISLANDS...AS
FORECAST BY COMPUTER MODELS...
 
AT 5 PM AST...2100Z...THE CENTER OF HURRICANE GERT WAS LOCATED NEAR
LATITUDE 18.8 NORTH...LONGITUDE  53.9 WEST OR ABOUT 500 MILES...
800 KM...EAST OF THE NORTHERN LEEWARD ISLANDS.
 
GERT IS MOVING TOWARD THE WEST NORTHWEST NEAR 10 MPH...17 KM/HR.
THIS MOTION IS EXPECTED TO CONTINUE TODAY WITH A GRADUAL TURN TO
THE NORTHWEST ON FRIDAY.  ON THIS TRACK...GERT WILL PASS WELL NORTH
OF THE LEEWARD ISLANDS AND WILL MOVE OVER THE OPEN ATLANTIC.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 130 MPH...215 KM/HR...WITH HIGHER
GUSTS.  LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT
24 HOURS.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO  45 MILES... 75 KM...
FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP
TO 175 MILES...280 KM.
 
THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY AN AIR FORCE PLANE
WAS 941 MB...27.79 INCHES.
 
REPEATING THE 5 PM AST POSITION...18.8 N... 53.9 W.  MOVEMENT
TOWARD...WEST NORTHWEST NEAR 10 MPH.  MAXIMUM SUSTAINED WINDS...
130 MPH.  MINIMUM CENTRAL PRESSURE... 941 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
11 PM AST.
 
AVILA
 
STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE
FOUND UNDER AFOS HEADER MIASPFAT4 AND WMO HEADER WTNT74 KNHC.
 
 
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