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HURRICANE GERT ADVISORY NUMBER  25
NATIONAL WEATHER SERVICE MIAMI FL
11 AM AST FRI SEP 17 1999

...SEVERE HURRICANE GERT ON WEST-NORTHWEST TRACK...A POTENTIAL
THREAT TO BERMUDA...
 
INTERESTS IN BERMUDA SHOULD MONITOR THE PROGRESS OF GERT OVER THE
WEEKEND...

AT 11 AM AST...1500Z...THE CENTER OF HURRICANE GERT WAS LOCATED NEAR
LATITUDE 20.2 NORTH...LONGITUDE  56.3 WEST OR ABOUT 975 MILES...
1575 KM...SOUTH-SOUTHEAST OF BERMUDA.
 
GERT IS MOVING TOWARD THE WEST NORTHWEST NEAR 10 MPH...17 KM/HR. ON
THIS PATH GERT WILL BE MOVING WELL NORTH OF THE LEEWARD ISLANDS
DURING THE NEXT 24 HOURS.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 140 MPH...220 KM/HR...WITH HIGHER
GUSTS.  SOME FLUCTUATIONS IN INTENSITY ARE LIKELY 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  944 MB...27.88 INCHES.
 
REPEATING THE 11 AM AST POSITION...20.2 N... 56.3 W.  MOVEMENT
TOWARD...WEST NORTHWEST NEAR 10 MPH.  MAXIMUM SUSTAINED WINDS...
140 MPH.  MINIMUM CENTRAL PRESSURE... 944 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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