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HURRICANE GERT ADVISORY NUMBER  29
NATIONAL WEATHER SERVICE MIAMI FL
11 AM AST SAT SEP 18 1999

...GERT OVER THE OPEN ATLANTIC...CONTINUES TO BE A POTENTIAL THREAT
TO BERMUDA...
 
INTERESTS IN BERMUDA SHOULD CONTINUE TO MONITOR THE PROGRESS OF
GERT.
 
AT 11 AM AST...1500Z...THE CENTER OF HURRICANE GERT WAS LOCATED NEAR
LATITUDE 22.6 NORTH...LONGITUDE  57.9 WEST OR ABOUT 790 MILES...1275
KM...SOUTH SOUTHEAST OF BERMUDA.
 
GERT IS MOVING TOWARD THE NORTHWEST NEAR 10 MPH...17 KM/HR.  ON THIS
TRACK...GERT WILL BE MOVING OVER THE OPEN ATLANTIC FOR THE NEXT TWO
OR THREE DAYS.  THEREAFTER...THE HURRICANE COULD BE DANGEROUSLY
CLOSE TO BERMUDA.
    
MAXIMUM SUSTAINED WINDS ARE NEAR 120 MPH...195 KM/HR...WITH HIGHER
GUSTS.  LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT
24 HOURS.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 120 MILES...195 KM...
FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP
TO 230 MILES...370 KM.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS  960 MB...28.35 INCHES.
 
REPEATING THE 11 AM AST POSITION...22.6 N... 57.9 W.  MOVEMENT
TOWARD...NORTHWEST NEAR 10 MPH.  MAXIMUM SUSTAINED WINDS...120 MPH. 
MINIMUM CENTRAL PRESSURE... 960 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 MIASPFAT4 AND WMO HEADER WTNT74 KNHC.
 
 
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