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HURRICANE GERT ADVISORY NUMBER  45
NATIONAL WEATHER SERVICE MIAMI FL
11 AM AST WED SEP 22 1999

...GERT EXPECTED TO PASS NEAR THE AVALON PENINSULA...NEWFOUNDLAND...
 
A STORM AND HURRICANE FORCE WIND WARNINGS ARE IN EFFECT FOR SOME OF
THE MARITIME AREAS SOUTH AND EAST OF NEWFOUNDLAND.  SEE STATEMENTS
FROM THE CANADIAN HURRICANE CENTER.
 
AT 11 AM AST...1500Z...THE CENTER OF HURRICANE GERT WAS LOCATED NEAR
LATITUDE 39.5 NORTH...LONGITUDE  58.7 WEST OR ABOUT 550 MILES...
900 KM...SOUTH SOUTHWEST OF ST. JOHNS NEWFOUNDLAND.
 
GERT IS MOVING TOWARD THE NORTH NORTHEAST NEAR 28 MPH...44 KM/HR
...AND THIS MOTION IS EXPECTED TO CONTINUE DURING THE NEXT 24 HOURS
WITH A GRADUAL INCREASE IN FORWARD SPEED.  ON THIS TRACK GERT SHOULD
PASS NEAR THE AVALON PENINSULA WITHIN THE NEXT 12 TO 24 HOURS. 
 
MAXIMUM SUSTAINED WINDS ARE NEAR  85 MPH...140 KM/HR...WITH HIGHER
GUSTS.  SOME WEAKENING IS FORECAST DURING THE NEXT 24 HOURS.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 140 MILES...220 KM...
FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP
TO 260 MILES...415 KM.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS  967 MB...28.56 INCHES.
 
HEAVY RAINS ARE EXPECTED OVER PORTIONS OF THE AVALON PENINSULA. 
 
REPEATING THE 11 AM AST POSITION...39.5 N... 58.7 W.  MOVEMENT
TOWARD...NORTH NORTHEAST NEAR 28 MPH.  MAXIMUM SUSTAINED
WINDS... 85 MPH.  MINIMUM CENTRAL PRESSURE... 967 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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