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HURRICANE GERT ADVISORY NUMBER  31
NATIONAL WEATHER SERVICE MIAMI FL
11 PM AST SAT SEP 18 1999

...GERT MOVING NORTH-NORTHWESTWARD ...

INTERESTS IN BERMUDA SHOULD CLOSELY MONITOR THE PROGRESS OF GERT.
 
AT 11 PM AST...0300Z...THE CENTER OF HURRICANE GERT WAS LOCATED NEAR
LATITUDE 24.0 NORTH...LONGITUDE  58.5 WEST OR ABOUT 690 MILES...1110
KM...SOUTH-SOUTHEAST OF BERMUDA.
 
GERT IS MOVING TOWARD THE NORTH-NORTHWEST NEAR 10 MPH...17 KM/HR
...AND THIS MOTION IS EXPECTED TO CONTINUE FOR THE NEXT 24 HOURS.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 125 MPH...205 KM/HR...WITH HIGHER
GUSTS.  SOME FLUCTUATIONS IN INTENSITY ARE LIKELY DURING THE NEXT
DAY OR TWO.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 120 MILES...195 KM...
FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP
TO 260 MILES...415 KM.
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS  955 MB...28.20 INCHES.
 
REPEATING THE 11 PM AST POSITION...24.0 N... 58.5 W.  MOVEMENT
TOWARD...NORTH-NORTHWEST NEAR 10 MPH.  MAXIMUM SUSTAINED WINDS...
125 MPH.  MINIMUM CENTRAL PRESSURE... 955 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER 
AT 5 AM AST...SUNDAY.
 
GUINEY
 
STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE
FOUND UNDER AFOS HEADER MIASPFAT4 AND WMO HEADER WTNT74 KNHC.
 
 
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