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HURRICANE FLOYD INTERMEDIATE ADVISORY NUMBER  31A
NATIONAL WEATHER SERVICE MIAMI FL
8 AM EDT WED SEP 15 1999

...RAINBANDS OF FLOYD AFFECTING THE CENTRAL FLORIDA COAST... 

A HURRICANE WARNING REMAINS IN EFFECT FROM SEBASTIAN INLET FLORIDA
TO THE NORTH CAROLINA/VIRGINIA BORDER...INCLUDING PAMLICO AND
ALBEMARLE SOUNDS.

AT 8 AM EDT...THE HURRICANE WARNING FROM SOUTH OF SEBASTIAN INLET TO
FORT PIERCE IS DISCONTINUED.

AT 8 AM EDT...THE HURRICANE WARNING IS DISCONTINUED THE GRAND BAHAMA
AND ABACO ISLANDS IN THE NORTHWEST BAHAMAS.

A HURRICANE WATCH REMAINS IN EFFECT FROM THE NORTH CAROLINA/
VIRGINIA BORDER TO CHINCOTEAGUE VIRGINIA...INCLUDING CHESAPEAKE
BAY SOUTH OF SMITH POINT.
 
A TROPICAL STORM WATCH REMAINS IN EFFECT FROM NORTH OF CHINCOTEAGUE
VIRGINIA TO CAPE HENLOPEN DELAWARE INCLUDING THE CHESAPEAKE NORTH 
OF SMITH POINT AND THE POTOMAC FROM COBB ISLAND TO SMITH POINT.
 
INTERESTS ALONG THE FLORIDA EAST COAST SOUTH OF SEBASTAIN INLET
SHOULD EXERCISE CAUTION UNTIL WINDS AND SEAS SUBSIDE.
 
AT 8 AM EDT...1200Z...THE CENTER OF HURRICANE FLOYD WAS LOCATED NEAR
LATITUDE 29.3 NORTH...LONGITUDE  78.8 WEST OR ABOUT 190 MILES
EAST-SOUTHEAST OF JACKSONVILLE FLORIDA AND ABOUT 350 MILES SOUTH OF
WILMINGTON NORTH CAROLINA.
 
FLOYD IS MOVING TOWARD THE NORTH-NORTHWEST NEAR 14 MPH AND A GRADUAL
TURN TOWARD THE NORTH WITH SOME INCREASE IN FORWARD SPEED IS LIKELY
LATER TODAY.
 
MAXIMUM SUSTAINED WINDS ARE NOW NEAR 135 MPH WITH HIGHER GUSTS. 
FLOYD REMAINS A DANGEROUS CATEGORY FOUR HURRICANE ON THE
SAFFIR/SIMPSON HURRICANE SCALE.  SOME FLUCTUATIONS IN STRENGTH
ARE LIKELY DURING THE NEXT 24 HOURS.

HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 125 MILES...205 KM...
FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP
TO 290 MILES.

THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY THE AIR FORECE
RESERVE HURRICANE HUNTER AIRCRAFT WAS  941 MB...27.79 INCHES.
  
STORM SURGE FLOODING OF 12 TO 15 FEET ABOVE NORMAL TIDE LEVELS...
ALONG WITH LARGE AND DANGEROUS BATTERING WAVES...ARE EXPECTED NEAR
AND TO THE EAST OF WHERE THE CENTER CROSSES THE COAST.
 
HEAVY SURF ADVISORIES ARE IN EFFECT FOR THE U.S. EAST COAST
NORTHWARD TO CHATHAM MASSACHUSETTS.  REFER TO STATEMENTS ISSUED BY
LOCAL NATIONAL WEATHER SERVICE OFFICES FOR ADDITIONAL INFORMATION.
 
RAINFALL TOTALS OF 5 TO 10 INCHES ARE EXPECTED IN ASSOCIATION WITH
FLOYD.
 
ISOLATED TORNADOES ARE POSSIBLE FROM NORTHEASTERN FLORIDA TO THE
CAROLINAS.
 
REPEATING THE 8 AM EDT POSITION...29.3 N...78.8 W. MOVEMENT
TOWARD...NORTH NORTHWEST NEAR 14 MPH.  MAXIMUM SUSTAINED WINDS...
135 MPH.  MINIMUM CENTRAL PRESSURE... 941 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER
AT 11 AM EDT.
 
LAWRENCE

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