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HURRICANE FLOYD ADVISORY NUMBER  26
NATIONAL WEATHER SERVICE MIAMI FL
11 PM AST MON SEP 13 1999

...FLOYD BATTERING THE CENTRAL BAHAMAS...
 
A HURRICANE WARNING CONTINUES IN EFFECT FOR THE NORTHWEST
BAHAMAS...INCLUDING THE ABACO ISLANDS...ANDROS ISLAND...BERRY
ISLANDS...BIMINI...ELEUTHERA...GRAND BAHAMA AND NEW PROVIDENCE
ISLAND...AND FOR THE CENTRAL BAHAMAS ...INCLUDING CAT ISLAND...
EXUMAS ISLANDS...LONG ISLAND...RUM CAY...AND SAN SALVADOR ISLAND.
 
A TROPICAL STORM WARNING IS IN EFFECT FOR THE TURKS AND CAICOS
ISLANDS AND THE SOUTHEASTERN BAHAMAS.
 
A HURRICANE WARNING IS IN EFFECT FOR ALL OF THE MAINLAND FLORIDA
EAST COAST FROM FLORIDA CITY TO JUST SOUTH OF BRUNSWICK GEORGIA.  A
TROPICAL STORM WARNING IS IN EFFECT FOR THE FLORIDA KEYS FROM SEVEN
MILE BRIDGE NORTHWARD.
 
AT 11 PM EDT...0300Z...THE HURRICANE WATCH IS EXTEND NORTHWARD NORTH
OF SAVANNAH GEORGIA TO LITTLE RIVER INLET SOUTH CAROLINA.
A HURRICANE WATCH IS IN EFFECT FROM BRUNSWICK GEORGIA TO LITTLE
RIVER INLET SOUTH CAROLINA.
 
AT 11 PM AST...0300Z...THE CENTER OF HURRICANE FLOYD WAS LOCATED
NEAR LATITUDE 24.5 NORTH...LONGITUDE  74.7 WEST OR ABOUT 45
MILES...75 KM...EAST OF CAT ISLAND IN THE CENTRAL BAHAMAS.  THIS
POSITION IS ALSO ABOUT 360 MILES EAST-SOUTHEAST OF MIAMI FLORIDA. 
 
FLOYD IS MOVING SLIGHTLY NORTH OF DUE WEST NEAR 14 MPH...22
KM/HR...AND A GRADUAL TURN TOWARD THE NORTHWEST IS EXPECTED ON
TUESDAY.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 155 MPH...250 KM/HR...WITH HIGHER
GUSTS.  LITTLE SIGNIFICANT CHANGE IN STRENGTH IS FORECAST 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...465 KM.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS  924 MB...27.29 INCHES.
 
STORM SURGE FLOODING OF 15 TO 20 FEET ABOVE NORMAL TIDE LEVELS...
ACCOMPANIED BY LARGE AND DANGEROUS BATTERING WAVES ARE POSSIBLE
IN THE BAHAMAS.  FLOODING OF 5 TO 10 FEET ABOVE NORMAL TIDES ARE
POSSIBLE ALONG THE FLORIDA EAST COAST IF THE CENTER REACHES THE
COAST.
 
THERE ARE HEAVY SURF ADVISORIES ALONG THE U.S. EAST COAST NORTHWARD
TO SANDY HOOK NEW JERSEY.  SEE STATEMENTS FROM LOCAL NATIONAL
WEATHER SERVICE OFFICES FOR ADDITIONAL INFORMATION.
 
RAINBANDS FROM FLOYD ARE PRODUCING LOCALLY HEAVY RAINS OVER PORTIONS
OF THE BAHAMAS AND LOCAL ACCUMULATIONS OF 8 TO 10 INCHES ARE LIKELY.
 
REPEATING THE 11 PM AST POSITION...24.5 N... 74.7 W.  MOVEMENT
TOWARD...WEST NEAR 14 MPH.  MAXIMUM SUSTAINED WINDS...155 MPH. 
MINIMUM CENTRAL PRESSURE... 924 MB.
 
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 2 AM AST FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 5 AM
AST...TUESDAY.
 
PASCH
 
STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE
FOUND UNDER AFOS HEADER MIASPFAT3 AND WMO HEADER WTNT73 KNHC.
 
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