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HURRICANE DENNIS ADVISORY NUMBER  15
NATIONAL WEATHER SERVICE MIAMI FL
11 AM EDT FRI AUG 27 1999

...DENNIS HEADING FOR THE EXTREME NORTHWESTERN BAHAMAS...
  
AT 11 AM EDT...1500Z...A HURRICANE WATCH IS IN EFFECT FOR THE EAST
COAST OF FLORIDA FROM SEBASTIAN INLET NORTHWARD TO FERNANDINA BEACH.
A HURRICANE WATCH MAY BE ADJUSTED NORTHWARD AS THE HURRICANE MOVES
PARALLEL TO THE EAST FLORIDA COAST.
 
AT 11 AM EDT...1500Z...THE GOVERNMENT OF THE BAHAMAS HAS
DISCONTINUED A HURRICANE WARNING FOR THE CENTRAL BAHAMAS AND FOR
ANDROS ISLAND AND FOR NEW PROVIDENCE.  HURRICANE WARNINGS ARE STILL
IN EFFECT FOR THE REMAINDER OF THE NORTHWESTERN BAHAMAS...ELEUTHERA
...THE ABACOS AND GRAND BAHAMA ISLANDS.

PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE RUSHED TO
COMPLETION IN THE HURRICANE WARNING AREA.
 
RESIDENTS ALONG THE SOUTHEAST COAST OF THE UNITED STATES FROM
CENTRAL FLORIDA THROUGH NORTH CAROLINA SHOULD CLOSELY MONITOR THE
PROGRESS OF DENNIS.
 
AT 11 AM EDT...1500Z...THE CENTER OF HURRICANE DENNIS WAS LOCATED
NEAR LATITUDE 25.7 NORTH...LONGITUDE  75.9 WEST OR ABOUT 345 MILES
...555 KM...SOUTHEAST OF CAPE CANAVERAL ON THE FLORIDA EAST COAST. 
 
DENNIS IS MOVING TOWARD THE WEST-NORTHWEST NEAR 7 MPH...11 KM/HR...
AND THIS MOTION IS EXPECTED TO CONTINUE DURING THE NEXT 24 HOURS. ON
THIS TRACK...DENNIS WILL BE MOVING NEAR OR OVER THE ABACO ISLANDS IN
THE BAHAMAS TONIGHT.  
 
MAXIMUM SUSTAINED WINDS REMAIN NEAR 80 MPH...130 KM/HR...WITH HIGHER
GUSTS MAINLY TO THE EAST OF THE CENTER.  SOME STRENGTHENING IS
FORECAST DURING THE NEXT 24 HOURS.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO  30 MILES... 45 KM...
AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 145 MILES...
230 KM MAINLY TO THE NORTH AND EAST OF THE CENTER.
 
LATEST MINIMUM CENTRAL PRESSURE REPORTED BY A RECONNAISSANCE PLANE
WAS 988 MB...29.18 INCHES.
 
RAINFALL AMOUNTS OF 5 TO 10 INCHES ARE LIKELY ALONG THE PATH OF THE
HURRICANE.
 
STORM SURGE FLOODING OF 4 TO 8 FEET ABOVE NORMAL TIDE LEVELS WITH
BATTERING WAVES ARE LIKELY ON THE BAHAMA ISLANDS NEAR THE PATH OF
THE HURRICANE.
 
REPEATING THE 11 AM EDT POSITION...25.7 N... 75.9 W.   MOVEMENT
TOWARD...WEST NORTHWEST NEAR  7 MPH.  MAXIMUM SUSTAINED WINDS... 
80 MPH.  MINIMUM CENTRAL PRESSURE...988 MB.
 
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 2 PM EDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 5 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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