[NCEP Logo] HOME ACTIVE
CYCLONES
FORECASTS IMAGERY ABOUT TPC RECONNAISSANCE

ZCZC MIATCPAT5 ALL
TTAA00 KNHC DDHHMM
BULLETIN
HURRICANE DENNIS INTERMEDIATE ADVISORY NUMBER 20A
NATIONAL WEATHER SERVICE MIAMI FL
8 PM EDT SAT AUG 28 1999

...DENNIS MOVING NORTH-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 
LATER TONIGHT AS DENNIS MOVES ON A TRACK PARALLEL TO THE UNITED
STATES SOUTHEAST COAST.  COASTAL INTERESTS IN GEORGIA...SOUTH 
AND NORTH CAROLINA SHOULD CONTINUE TO CLOSELY MONITOR THE PROGRESS
OF DENNIS.
 
RESIDENTS IN THE ABACOS AND GRAND BAHAMA ISLANDS SHOULD REMAIN
VIGILANT UNTIL WINDS AND SEAS SUBSIDE.
 
AT 8 PM EDT...0000Z...THE CENTER OF HURRICANE DENNIS WAS LOCATED
NEAR LATITUDE 28.4 NORTH...LONGITUDE  77.8 WEST OR ABOUT 170 MILES
EAST OF CAPE CANAVERAL FLORIDA.
  
DENNIS HAS BEEN MOVING TOWARD THE NORTH-NORTHWEST NEAR  7 MPH DURING
THE LAST FEW HOURS...AND THIS MOTION IS EXPECTED TO CONTINUE TONIGHT
WITH A GRADUAL TURN TO THE NORTH ON SUNDAY. 
 
MAXIMUM SUSTAINED WINDS ARE NEAR 105 MPH...WITH HIGHER GUSTS.  SOME
STRENGTHENING IS FORECAST DURING THE NEXT 24 HOURS.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO  60 MILES FROM THE CENTER
...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 160 MILES.

THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY AN AIR FORCE
RECONNAISSANCE PLANE WAS 969 MB...28.61 INCHES.

LARGE SWELLS PROPAGATING WELL AHEAD OF THE HURRICANE HAVE BEGUN 
TO REACH PORTIONS OF THE U.S. SOUTHEAST COAST...GENERATING LOCALLY
ROUGH AND DANGEROUS SURF.  SEE STATEMENTS FROM LOCAL NATIONAL
WEATHER SERVICE OFFICES.
 
REPEATING THE 8 PM EDT POSITION...28.4 N... 77.8 W.  MOVEMENT
TOWARD...NORTH-NORTHWEST NEAR  7 MPH.  MAXIMUM SUSTAINED WINDS...
105 MPH. MINIMUM CENTRAL PRESSURE... 969 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER 
AT 11 PM EDT.

GUINEY
NNNN


Problems?