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HURRICANE DENNIS INTERMEDIATE ADVISORY NUMBER  23A
NATIONAL WEATHER SERVICE MIAMI FL
2 PM EDT SUN AUG 29 1999

...OUTER RAIN BANDS OF DENNIS COMING ASHORE ALONG THE COAST OF SOUTH
CAROLINA...LARGE SWELLS IMPACTING THE SOUTH ATLANTIC COAST...
 
A TROPICAL STORM WARNING IS IN EFFECT FROM SAVANNAH GEORGIA TO
CAPE HATTERAS NORTH CAROLINA.  A HURRICANE WATCH REMAINS IN EFFECT
FROM NORTH OF SAVANNAH GEORGIA TO CAPE HATTERAS NORTH CAROLINA.
INTERESTS IN THE HURRICANE WATCH AREA SHOULD BE READY TO ACT IN CASE
THIS WATCH IS CHANGED TO A WARNING.
 
A TROPICAL STORM WATCH IS IN EFFECT NORTH OF CAPE HATTERAS NORTH
CAROLINA TO CAPE CHARLES LIGHT VIRGINIA.
 
AT 2 PM EDT...1800Z...THE CENTER OF HURRICANE DENNIS WAS LOCATED
NEAR LATITUDE 30.8 NORTH...LONGITUDE  78.5 WEST OR ABOUT 170 MILES
SOUTH-SOUTHEAST OF CHARLESTON SOUTH CAROLINA AND ABOUT 240 MILES
SOUTH OF WILMINGTON NORTH CAROLINA.
 
DENNIS IS MOVING TOWARD THE NORTH NEAR 10 MPH AND A GRADUAL TURN
TOWARD THE NORTH-NORTHEAST IS EXPECTED DURING THE NEXT 12 TO 24
HOURS.  ALTHOUGH THE CENTER OF THE HURRICANE IS FORECAST TO REMAIN
OFFSHORE...THE LARGE EXTENT OF WINDS REQUIRES THE WATCHES AND
WARNINGS AS STATED ABOVE.  HOWEVER IF THE HURRICANE MOVES FARTHER
NORTH THAN EXPECTED...THEN A HURRICANE WARNING MAY BE REQUIRED FOR A
PORTION OF THE WATCH AREA.  

MAXIMUM SUSTAINED WINDS ARE NEAR 105 MPH WITH HIGHER GUSTS.  SOME
ADDITIONAL INCREASE IN STRENGTH IS POSSIBLE DURING THE NEXT 24
HOURS.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO  85 MILES FROM THE
CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175
MILES.

AN AIR FORCE HURRICANE HUNTER PLANE RECENTLY REPORTED A MINIMUM
CENTRAL PRESSURE OF 967 MB...28.56 INCHES.
 
ONSHORE WINDS IN THE WARNING AREA COULD PRODUCE STORM SURGE FLOODING
OF 2 TO 4 FEET ABOVE NORMAL TIDE LEVELS.  ALSO LARGE SWELLS WELL
AHEAD OF THE HURRICANE ARE REACHING PORTIONS OF THE SOUTHEAST U.S.
COAST AND GENERATING DANGEROUS SURF CONDITIONS.  SEE STATEMENTS FROM
LOCAL NATIONAL WEATHER SERVICE OFFICES.
 
REPEATING THE 2 PM EDT POSITION...30.8 N... 78.5 W.  MOVEMENT
TOWARD...NORTH NEAR 10 MPH.  MAXIMUM SUSTAINED WINDS...105 MPH. 
MINIMUM CENTRAL PRESSURE... 967 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
5 PM EDT.
 
PASCH
 
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