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HURRICANE GERT ADVISORY NUMBER   9
NATIONAL WEATHER SERVICE MIAMI FL
11 AM AST MON SEP 13 1999

...GERT BECOMES THE FIFTH HURRICANE OF THE SEASON...
 
AT 11 AM AST...1500Z...THE CENTER OF HURRICANE GERT WAS LOCATED NEAR
LATITUDE 16.1 NORTH...LONGITUDE  40.1 WEST OR ABOUT 1400 MILES...
2250 KM...EAST OF THE LEEWARD ISLANDS.
 
GERT IS MOVING TOWARD THE WEST NEAR 20 MPH ...32 KM/HR...AND THIS
MOTION IS EXPECTED TO CONTINUE DURING THE NEXT 24 HOURS.
 
MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR  75 MPH...120
KM/HR...WITH HIGHER GUSTS.  SOME STRENGTHENING IS FORECAST DURING
THE NEXT 24 HOURS.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO  30 MILES... 45 KM...
FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP
TO 115 MILES...185 KM.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS  987 MB...29.15 INCHES.
 
REPEATING THE 11 AM AST POSITION...16.1 N... 40.1 W.  MOVEMENT
TOWARD...WEST NEAR 20 MPH.  MAXIMUM SUSTAINED WINDS... 75 MPH. 
MINIMUM CENTRAL PRESSURE... 987 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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