HOME	ACTIVE CYCLONES	FORECASTS	IMAGERY	ABOUT TPC	RECONNAISSANCE

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BULLETIN
HURRICANE DENNIS ADVISORY NUMBER  20
NATIONAL WEATHER SERVICE MIAMI FL
5 PM EDT SAT AUG 28 1999
...CORRECTED ADVISORY NUMBER TO 20

...DENNIS MOVING NORTHWESTWARD...AWAY FROM THE BAHAMAS...
 
A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE EAST COAST OF
FLORIDA FROM SEBASTIAN INLET TO FLAGLER BEACH. A HURRICANE WATCH
REMAINS IN EFFECT FROM SEBASTIAN INLET NORTHWARD TO FERNANDINA
BEACH.
 
IT MAY BE NECESSARY TO SHIFT THE WATCHES AND WARNINGS NORTHWARD AS
DENNIS MOVES ON A TRACK PARALLEL TO THE UNITED STATES SOUTHEAST
COAST.  COASTAL INTERESTS IN GEORGIA...SOUTH AND NORTH CAROLINA
SHOULD CLOSELY MONITOR THE PROGRESS OF DENNIS.
 
AT 5 PM EST...2100 UTC...A HURRICANE WARNING FOR THE ABACOS AND
GRAND BAHAMA ISLANDS HAS BEEN DISCONTINUED.  RESIDENTS SHOULD 
REMAIN VIGILANT UNTIL WINDS AND SEAS SUBSIDE.
 
AT 5 PM EDT...2100Z...THE CENTER OF HURRICANE DENNIS WAS LOCATED
NEAR LATITUDE 28.0 NORTH...LONGITUDE  77.6 WEST OR ABOUT 180 MILES
EAST OF CAPE CANAVERAL FLORIDA.
  
DENNIS IS MOVING TOWARD THE NORTHWEST NEAR  6 MPH... 9 KM/HR...AND
THIS MOTION IS EXPECTED TO CONTINUE TONIGHT WITH A GRADUAL TURN TO
THE NORTH ON SUNDAY. 
 
MAXIMUM SUSTAINED WINDS ARE NEAR 105 MPH...165 KM/HR...WITH HIGHER
GUSTS.  SOME STRENGTHENING IS FORECAST DURING THE NEXT 24 HOURS.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO  60 MILES... 95 KM...
FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP
TO 160 MILES...260 KM.
 
LATEST MINIMUM CENTRAL PRESSURE REPORTED BY AN AIR FORCE
RECONNAISSANCE PLANE WAS 969 MB...28.61 INCHES.
 
REPEATING THE 5 PM EDT POSITION...28.0 N... 77.6 W.  MOVEMENT
TOWARD...NORTHWEST NEAR  6 MPH.  MAXIMUM SUSTAINED WINDS...105 MPH. 
MINIMUM CENTRAL PRESSURE... 969 MB.
 
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 8 PM EDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 11 PM
EDT.
 
AVILA
 
STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE
FOUND UNDER AFOS HEADER MIASPFAT5 AND WMO HEADER WTNT75 KNHC.

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